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Avşa Island's Protected Ada Karası Grape

Avşa Ada Karası Üzümü – Complete Guide

Discover Avşa Island's geographically protected blue-black grape,
known for its small berries, high acidity, tannins and deep island viticulture tradition.

Discover Avşa Ada Karası Üzümü

Discover Avşa Ada Karası Üzümü

Avşa Ada Karası Üzümü is a geographically protected grape produced on Avşa Island in Balıkesir's Marmara district from the Ada Karası variety of Vitis vinifera L. It is used primarily for must and wine production and is one of the island's defining agricultural products.

At maturity, the grapes generally develop blue-black colour tones. The berries are small, round to oval, thick-skinned and juicy, with a distinctive aroma and a flavour described in the official specification as both sweet and astringent.

Avşa Ada Karası Üzümü received Turkish geographical-indication registration in 2023. It is protected as a Menşe Adı under TÜRKPATENT registration No. 1323, with the geographical boundary defined specifically as Avşa Island.

Protected Since 2023

Avşa Ada Karası Üzümü is registered by TÜRKPATENT as geographical indication No. 1323.

Blue-Black Berries

Ripe grapes develop characteristic blue-black colour tones and relatively small berries.

Minimum 20% Brix

A soluble-solids level of at least 20% is one of the principal indicators of harvest maturity.

Grown on Avşa Island

The protected designation is tied directly to Avşa Island's soils, climate, winds and vineyard practices.

Know Before You Taste

Avşa Ada Karası Üzümü – Quick Facts

Essential information about one of Balıkesir's most distinctive protected grape varieties.

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Protected Area

Avşa Island, Marmara district, Balıkesir Province, Türkiye.

Open Avşa Island on Google Maps
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Product

A blue-black Ada Karası grape with small berries, thick skin, juicy flesh and a sweet-astringent taste.

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Protected Status

TÜRKPATENT Menşe Adı registration No. 1323.

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Harvest Season

Harvest generally begins in the second week of September.

An Island Shaped by Vineyards

The Story of Avşa Ada Karası Üzümü

Ada Karası is inseparable from Avşa's vineyard landscape and the island's long relationship with grape growing.

Viticulture has been part of life on Avşa Island for generations. Regional histories describe an established vineyard and wine culture by the nineteenth century, while local knowledge and vineyard work continued through the major demographic changes of the early twentieth century.

The variety that became most closely associated with the island is Ada Karası. Today, its protected form is defined not only by the grape variety itself but also by the fact that it is grown within the registered geographical boundary of Avşa Island under documented production conditions.

Avşa's sandy and sandy-loam soils, maritime winds, relatively low humidity and warm, dry growing season are all identified in the geographical-indication specification as important environmental factors behind the grape's character.

On 24 January 2023, the relationship between the grape and Avşa Island received formal national recognition when Avşa Ada Karası Üzümü was registered as a Turkish geographical indication.

What Makes It Distinctive

Characteristics of Avşa Ada Karası Üzümü

Berry colour, cluster form, skin thickness, flavour and measurable must characteristics all help define the protected grape.

Blue-Black Colour

Ripe berries generally develop characteristic blue-black colours and tones.

1–4 g Berries

Individual grape berries generally fall within a registered weight range of approximately 1–4 grams.

100–400 g Clusters

The protected specification gives an approximate cluster-weight range of 100–400 grams.

Thick Skin

The berries are described as having relatively thick skins and juicy interiors.

Sweet & Astringent

The ripe fruit combines natural sweetness with a distinctive astringent character.

Distinctive Aroma

The official description notes a characteristic aroma associated with the variety.

High Acidity & Tannin

Avşa's growing conditions support the grape's characteristic acidity, tannin and phenolic profile.

Wine & Must Grape

The protected crop is used mainly for must and wine production rather than as a conventional table grape.

Understanding the Grape

What Is Avşa Ada Karası Üzümü?

Avşa Ada Karası Üzümü is the protected form of the Ada Karası grape grown on Avşa Island in Balıkesir Province. Botanically, it belongs to Vitis vinifera L.

The geographical indication protects much more than a grape name. It connects a particular variety with a defined island, measurable fruit and must characteristics, vineyard-management rules and an inspection system intended to preserve the identity of the product.

It Is Ada Karası

The protected product is produced specifically from the Ada Karası grape variety.

It Is Island-Grown

Protected production takes place within the geographical boundary of Avşa Island.

It Is Mainly for Processing

The grape is principally used for must and wine production.

It Has a Defined Profile

Colour, cluster size, berry size, acidity, phenolics, tannins and Brix are all documented.

A Protected Island Grape

Avşa Ada Karası Üzümü Geographical Indication

Avşa Ada Karası Üzümü is registered by the Turkish Patent and Trademark Office as a Menşe Adı. This designation places particular emphasis on the relationship between the product and the natural and human factors of its geographical area.

Registered Name

Avşa Ada Karası Üzümü

Registration Number

The TÜRKPATENT geographical-indication registration number is 1323.

Application Number

The official application number is C2022/000132.

Application Date

The application was filed on 22 April 2022.

Registration Date

The geographical indication was registered on 24 January 2023.

Registrant

The registration holder is Erdek Chamber of Commerce.

GI Type

The protected designation is a Menşe Adı.

Geographical Boundary

The registered geographical area is Avşa Island in Marmara district, Balıkesir.

Understanding the Protection

What Does Menşe Adı Mean for Avşa Ada Karası Üzümü?

A Turkish Menşe Adı identifies a product whose essential characteristics are closely connected with a defined geographical environment and the natural and human factors found there.

For Avşa Ada Karası Üzümü, the designation therefore links the grape to Avşa Island's soils, climatic conditions, maritime winds, vineyard establishment, pruning, cultivation, harvest and handling requirements.

Defined Island

The protected geographical boundary is Avşa Island.

Defined Variety

The protected grape must be the Ada Karası variety of Vitis vinifera L.

Defined Production

Vineyard establishment, soil work, fertilisation, pruning, irrigation and harvest are described in the registration.

Defined Controls

Production methods, harvest, storage and protected-name use are subject to inspection.

The Island Behind the Grape

Why Avşa Island Matters

The geographical-indication specification directly connects Avşa Ada Karası Üzümü with the island's physical environment. Avşa has a mild Mediterranean-type climate, relatively low humidity and a growing season shaped by maritime conditions.

The island is exposed to both poyraz and lodos winds. Together with winter chilling and the dry warmth of the vegetation period, these conditions contribute to the grape's ability to reach maturity while retaining the acidity and tannin associated with its protected profile.

Sunshine during the ripening period is particularly important because the grapes must reach at least 20% Brix to satisfy one of the key harvest-maturity criteria in the registration.

Maritime Climate

The Sea of Marmara influences temperatures, winds and seasonal vineyard conditions.

Poyraz & Lodos

Different prevailing winds are part of the environmental conditions described for the island.

Dry Summer Heat

Warm and dry vegetation-period conditions support ripening and concentration.

Strong Sunshine

Sun exposure helps the berries reach the required maturity and soluble-solids level.

The Ground Beneath the Vines

Soils of Avşa Ada Karası Vineyards

The protected production description identifies sandy and sandy-loam soils as characteristic of Avşa Ada Karası vineyards. These soils are relatively low in organic matter and are generally well drained.

The registration also describes the suitable soils as slightly to moderately alkaline, low in lime, low in salinity and without serious drainage problems.

Sandy Texture

Sandy and sandy-loam structures are characteristic of the protected growing environment.

Low Organic Matter

The island's vineyard soils are described as relatively low in organic-matter content.

Low Salinity

Suitable soils are described as only slightly saline.

Good Drainage

Serious drainage problems are undesirable for protected production.

Recognising the Grape

Cluster and Berry Characteristics

Avşa Ada Karası Üzümü is visually distinctive. The clusters are generally medium-sized, winged-conical and compact, with a relatively short cluster stem.

Individual berries are usually round to oval. They are small, thick-skinned and juicy, and the berries show relatively strong resistance to detaching from the stem.

Cluster Size Medium.
Cluster Form Winged conical and compact.
Cluster Weight Approximately 100–400 g.
Berry Shape Round to oval.
Berry Weight Approximately 1–4 g per berry.
Skin Relatively thick.
Interior Juicy.
Ripe Colour Blue-black colours and tones.
Inside the Grape Must

Measured Characteristics of Avşa Ada Karası Üzümü

The geographical-indication registration includes measurable parameters for grape must. These values help define the chemical profile expected from authentic Avşa Ada Karası Üzümü at maturity.

Titratable Acidity 5.5–8.5 g/100 g, expressed as tartaric acid.
pH 3.4–3.8.
Soluble Solids Minimum 20% Brix.
Total Anthocyanins Minimum 200 mg/kg.
Total Tannin Minimum 1.5 g TA/kg.
Total Phenolic Matter Minimum 1500 mg GAE/kg.
Tasting the Grape

What Does Avşa Ada Karası Üzümü Taste Like?

The protected specification describes mature Avşa Ada Karası Üzümü as having a distinctive aroma and a taste that combines sweetness with astringency.

The grape's relatively thick skin, acidity, tannin and phenolic concentration are important to the way it behaves during processing. These characteristics help explain why the variety is especially associated with must and wine production rather than ordinary table-grape use.

Sweet

Natural sugar concentration rises as the berries reach harvest maturity.

Astringent

The official profile includes a noticeable drying or gripping quality in the taste.

Aromatic

The grape is described as having its own characteristic aroma.

Structured

Acidity, tannin and phenolic compounds contribute to a pronounced processing profile.

A Late-Ripening Island Variety

The Growing Cycle of Avşa Ada Karası Üzümü

Avşa Ada Karası is described as a relatively late-ripening grape. Its annual cycle unfolds gradually from spring budbreak to September maturity.

The registration notes that budbreak generally occurs around the middle of April, flowering around the second week of June, veraison in the second half of August and ripening during the second half of September.

Mid-April

Budbreak generally begins relatively late in spring.

Second Week of June

Flowering generally occurs around this period.

Second Half of August

Veraison begins as the berries start changing colour and moving toward maturity.

Second Half of September

The variety reaches its principal ripening period relatively late in the season.

Creating an Island Vineyard

How Avşa Ada Karası Vineyards Are Established

New vineyards begin with careful soil preparation and suitable rootstock selection. The official production method notes that deep ripping is carried out when the soil is dry, helping support healthy root development.

Rootstocks are selected according to factors such as soil structure, water availability and nematode pressure. The specification notes that SO4 and 110 R American vine rootstocks are commonly used, with Ada Karası grafted onto the selected rootstock.

Vines may be trained in traditional goblet form or in wall-style systems. Row direction and spacing are adapted to the terrain, climate, soil and the chosen training system so that vines can make good use of available sunlight.

Prepare the Soil

Deep soil preparation supports root development before vineyard establishment.

Choose the Rootstock

SO4 and 110 R are among the rootstocks named in the protected production description.

Train the Vines

Goblet and wall-style training systems are used according to vineyard conditions.

First Yield

New vineyards generally begin producing commercial fruit from around the third or fourth year.

Managing the Vineyard Floor

Soil Preparation and Vineyard Cultivation

Soil cultivation in Avşa vineyards serves several purposes: controlling weeds, aerating and warming the soil, improving access to plant nutrients, reducing losses and breaking surface crusts that can develop after rainfall or irrigation.

The protected production method generally describes soil working twice a year, in autumn and spring. Because Avşa's sandy or sandy-loam soils and dry growing season tend to limit excessive weed growth, light shallow cultivation can be sufficient during the first summer months when needed.

Autumn Cultivation

Soil can be worked after the growing season as part of regular vineyard management.

Spring Cultivation

A second principal cultivation period occurs before or during early vine growth.

Weed Control

Mechanical soil work helps reduce unwanted vegetation around the vines.

Break Surface Crusts

Shallow cultivation can improve water movement and soil aeration after rain or irrigation.

Feeding the Vines Carefully

Fertilisation of Avşa Ada Karası Vineyards

The geographical-indication specification recommends fertilisation according to vineyard needs and, where possible, soil analysis rather than applying a fixed formula to every site.

Fertiliser may be applied no more than around twice a year: a basal application before bud swelling and a later top-dressing stage when berries are developing. Organic and/or mineral fertilisers can be used according to local conditions and analysis results.

Use Soil Analysis

Soil testing helps match nutrient applications to the actual needs of the vineyard.

Before Budbreak

Basal fertilisation can be applied before the buds begin active spring growth.

During Berry Development

A later application may be made as berries develop, depending on vine requirements.

Avoid Excess

Controlled fertilisation supports balanced growth rather than excessive vegetative development.

Balancing Growth and Yield

How Avşa Ada Karası Vines Are Pruned

Correct pruning has a major effect on vine growth, yield and fruit development. Ada Karası is productive from its basal buds, which makes short pruning particularly appropriate for the variety.

The registration emphasises regular annual pruning because productive basal buds allow the vine to be managed without leaving unnecessarily long fruiting canes.

Basal Bud Fertility

The lower buds of the shoots are productive, an important characteristic for pruning decisions.

Short Pruning

Short pruning is considered suitable for balancing yield and vegetative growth.

Annual Management

Pruning is carried out regularly each year rather than only when vines become overgrown.

Training Matters

Pruning is adjusted to the goblet or wall-style system used in the vineyard.

Water in a Dry Growing Season

How Avşa Ada Karası Vineyards Are Irrigated

Established vines are managed according to rainfall, soil moisture and seasonal conditions. New vineyards require particular care during their early years while root systems are developing.

When rainfall is irregular, insufficient or drought conditions develop, irrigation becomes necessary. During summer, water is supplied according to the needs of the vines, and drip irrigation is recommended as a modern and controlled method.

Young Vines Need Support

Newly established vineyards are watered according to climate and growing conditions.

Watch Rainfall

Irrigation is adjusted when natural rainfall is insufficient or irregular.

Summer Watering

Vines can receive additional water during dry summer conditions according to plant needs.

Drip Systems

Drip irrigation is recommended for efficient and controlled water delivery.

Keeping the Vineyard Healthy

Vineyard Health and Crop Protection

Like other vineyards, Avşa Ada Karası plots require attention to weeds, plant diseases and pests. The registered method requires agricultural-control practices to comply with relevant regulations.

Good soil cultivation, hoeing and weed control are also part of the wider vineyard-health strategy, reducing unnecessary competition around the vines and supporting orderly vineyard management.

Observe the Vines

Regular vineyard inspection helps identify disease, pest or nutrient problems early.

Manage Weeds

Mechanical cultivation and hoeing can form part of vineyard weed control.

Follow Regulations

Plant-protection products must be used in accordance with relevant agricultural legislation.

Protect the Crop

Healthy leaves and berries are essential for successful late-season ripening.

The Island's September Harvest

When Is Avşa Ada Karası Üzümü in Season?

Avşa Ada Karası is a late-season grape. The protected production description states that harvesting generally begins in the second week of September, although the exact moment depends on berry maturity and the conditions of a particular year.

Growers look for the expected blue-black colour, suitable sweetness and the variety's characteristic sweet-astringent flavour. A Brix value of at least 20% is one of the principal measurable maturity criteria.

Late Summer

Veraison develops during the second half of August.

Second Week of September

The official harvest period generally begins around this point.

Blue-Black Colour

Dark berry colour is one of the visible signs used to judge harvest maturity.

Minimum 20% Brix

Soluble solids provide an important measurable indication that the crop has reached maturity.

Picking the Clusters Carefully

How Avşa Ada Karası Üzümü Is Harvested

Harvest begins when the berries have developed the required blue-black colour tones and their characteristic sweet and astringent flavour. The fruit must also have reached suitable technological maturity for its intended use.

Clusters are harvested with their stems attached, using appropriate cutting tools so that bunches can be removed without damaging the vine.

Harvested grapes are placed into suitable cases or containers that are safe for food contact and protect the bunches from unnecessary crushing before processing or sale.

Check Maturity

Colour, flavour and soluble solids are considered before harvesting begins.

Cut the Cluster

Bunches are removed using suitable cutting tools rather than being roughly pulled from the vine.

Keep the Stem

Clusters are collected with their stems attached.

Use Suitable Crates

Food-safe containers help protect harvested bunches during handling and transport.

From Vineyard to Processing

How Avşa Ada Karası Üzümü Is Stored

The official registration recommends that harvested Avşa Ada Karası grapes be consumed or processed on the same day whenever possible. Rapid handling helps preserve the qualities expected from the freshly harvested crop.

If short-term storage is necessary, the grapes should be kept for only a few days in dry, cool, clean and odour-free conditions. Bunches should not be stacked in more than approximately two layers because excessive pressure can damage the fruit.

Grapes intended for processing should be moved to the relevant food facility as quickly as possible under suitable conditions, including cold-chain handling where appropriate.

Process Quickly

Same-day use or processing is the preferred approach after harvest.

Keep It Cool

Short-term storage should take place in cool conditions.

Avoid Odours

Storage areas should be clean and free from strong external smells.

Do Not Overstack

Keeping clusters in shallow layers helps reduce crushing and pressure damage.

From Vineyard to Cellar

How Avşa Ada Karası Üzümü Is Used

The geographical-indication specification describes Avşa Ada Karası Üzümü as a grape used mainly for must and wine production. Its berry structure and chemical profile make processing central to the identity of the variety.

The fruit can also be tasted fresh during harvest, but visitors should understand that its sweet-astringent flavour, relatively thick skin and noticeable acidity differ from the characteristics usually sought in large, mild table grapes.

Grape Must

Freshly pressed juice or must is one of the principal traditional uses of the crop.

Winemaking

Ada Karası is strongly associated with Avşa Island's wine-production tradition.

Fresh Tasting

Visitors may encounter ripe grapes during harvest, although the variety is not primarily grown as a table grape.

Harvest Experiences

Seasonal vineyard and bağbozumu activities provide a direct connection with the island's grape culture.

Why the Variety Matters

The Connection Between Ada Karası Grapes and Avşa Wine

For generations, Ada Karası has been associated with wine production on Avşa Island. The grape's acidity, tannins, colour compounds and phenolic structure all make it particularly significant as a processing variety.

The grape and the finished wine are legally distinct protected products. Avşa Ada Karası Üzümü received its Menşe Adı registration in 2023, while Avşa's Ada Karası wine later received its own separate geographical-indication protection.

For travellers interested in gastronomy, this distinction is useful: the grape registration protects the island-grown agricultural product, while the separate wine registration covers the finished beverage under its own specification.

Grape First

The protected grape is the agricultural foundation of the island's Ada Karası identity.

Separate Protection

The grape and the finished wine are registered as separate geographical-indication products.

Island Processing

Local processing keeps the relationship between vineyard, harvest and island culture visible.

Gastronomy & Place

Ada Karası provides a strong example of how agriculture and destination identity can develop together.

Recognising the Protected Product

How to Identify Authentic Avşa Ada Karası Üzümü

Not every dark-coloured Ada Karası grape sold elsewhere is protected Avşa Ada Karası Üzümü. The geographical indication identifies grapes grown within the official geographical boundary and produced in accordance with the registered specification.

The usage rules require the wording Avşa Ada Karası Üzümü together with the official Menşe Adı emblem to appear on the product or its packaging. If this is not possible, the name and emblem must be displayed clearly at the business.

Check the Name

Look for the protected wording Avşa Ada Karası Üzümü.

Look for the Emblem

The Turkish Menşe Adı emblem identifies the protected designation of origin.

Ask About Origin

The protected geographical boundary is Avşa Island in Balıkesir's Marmara district.

Know the Season

Fresh island-grown grapes are principally associated with the September harvest.

Check the Colour

Mature berries are generally blue-black rather than pale red or green.

Buy from Reliable Sellers

Clear provenance matters when buying a geographically protected agricultural product.

Choosing the Grape with Confidence

How to Buy Avşa Ada Karası Üzümü

For the strongest connection with the protected product, look for Avşa Ada Karası Üzümü during its natural harvest season and ask whether the grapes were grown on Avşa Island.

Fresh bunches should show well-developed blue-black berries without obvious mould, excessive crushing or severe dehydration. Because the crop is generally intended for rapid processing, freshly harvested grapes are best used or tasted without long storage.

Shop in September

The second half of September is closely associated with the variety's principal ripening period.

Ask Where It Was Grown

Authentic protected production is tied specifically to Avşa Island.

Look for GI Identification

The protected name and Menşe Adı emblem provide the clearest formal identification.

Check the Bunches

Look for compact blue-black clusters without significant damage or spoilage.

Transport Carefully

Grapes should be protected from crushing, heat and excessive stacking.

Use It Quickly

The registration recommends same-day consumption or processing whenever practical.

Experience the Grape on Its Home Island

Avşa Ada Karası Üzümü Visitor Tips

Visit in September

September offers the strongest chance of seeing ripe Ada Karası grapes and harvest activity.

Explore the Vineyards

Vineyard landscapes reveal a different side of Avşa beyond its beaches and summer resorts.

Ask Before Entering

Vineyards are working agricultural properties and should only be entered with permission.

Look for Harvest Events

Seasonal bağbozumu celebrations can bring together grape culture, local food and island traditions.

Taste the Grape

Sampling a ripe berry helps explain the variety's unusual balance of sweetness and astringency.

Learn the Wine Connection

Local producers can help visitors understand why Ada Karası is so important to Avşa's wine identity.

Photograph the Landscape

Blue-black clusters, dry island soil and views toward the Sea of Marmara create strong vineyard images.

Combine Food & Island Culture

Pair vineyard exploration with local seafood, island villages and the wider Marmara Islands landscape.

A Grape at the Heart of Island Identity

Avşa Ada Karası Üzümü in Local Culture

Ada Karası is more than an agricultural crop. It is closely connected with Avşa's identity as an island where vineyards, family production, seasonal harvest work and tourism have long existed side by side.

The grape harvest traditionally arrives as the high summer season begins to fade. That timing gives September a distinctive character: warm seas and late-summer light remain, while vineyards shift attention toward ripeness, picking and processing.

Recent harvest festivals and local promotional events have also brought renewed attention to Ada Karası, using vineyard culture as a way to connect visitors with the island beyond its beaches.

Vineyard Heritage

Generations of grape growing have made Ada Karası part of Avşa's agricultural memory.

September Harvest

Bağbozumu marks one of the most important seasonal moments in the island's agricultural calendar.

Island Gastronomy

Grape culture sits alongside seafood, local produce and other flavours associated with the Marmara Islands.

Protected Origin

The Menşe Adı strengthens the formal connection between the grape and Avşa Island.

For Curious Food and Wine Travellers

Is Avşa Ada Karası Üzümü Worth Discovering?

For travellers interested in regional Turkish produce, viticulture and food culture, Avşa Ada Karası Üzümü offers a particularly clear example of how a grape variety can become closely associated with a small geographical area.

Its blue-black berries, compact clusters, sweet-astringent flavour and distinctive chemical profile make it interesting in its own right, while the surrounding vineyards reveal an agricultural side of Avşa that many beach-focused visitors never see.

The most meaningful time to explore this relationship is during the September harvest, when vineyard work, ripe fruit, island landscapes and processing traditions are visible at the same moment.

Discover It for the Island

The protected name belongs specifically to Avşa and its vineyard environment.

Discover It for the Flavour

Sweetness and astringency create a profile unlike many conventional table grapes.

Discover It for the Harvest

September bağbozumu brings the grape's agricultural story to life.

Discover It for the Culture

Ada Karası connects farming, local memory, winemaking and modern island tourism.

Continue Exploring Balıkesir

What to Discover After Avşa Ada Karası Üzümü

Avşa Ada Karası Üzümü belongs to a remarkably varied Balıkesir food landscape shaped by islands, vineyards, olive groves, dairy traditions, seafood and protected local products.

Erdek

Explore the mainland gateway to the Marmara Islands and one of Balıkesir's classic seaside destinations.

Paşalimanı Island

Continue through the Marmara Islands with quiet villages, coastal scenery and traditional island life.

Kapıdağ Villages & Nature

Discover the forests, villages and rural landscapes of the Kapıdağ Peninsula near Erdek.

Edincik

Explore a historic Balıkesir settlement known for traditional architecture, local food and olive culture.

Balıkesir Höşmerim

Move from island grapes to one of Balıkesir's best-known protected dessert traditions.

Ayvalık Kelle Sepet Peyniri

Continue exploring the province through another distinctive geographically protected local food.
Understanding the Protected Identity

Avşa Ada Karası Üzümü vs Ordinary Dark Grapes

A blue-black grape does not become Avşa Ada Karası Üzümü simply because it looks similar. The protected designation represents a defined combination of variety, island origin, vineyard practices and measurable characteristics.

Defined Origin

Protected Avşa Ada Karası Üzümü is tied specifically to Avşa Island.

Defined Variety

The official specification identifies the Ada Karası variety of Vitis vinifera L.

Measured Must Profile

Brix, acidity, pH, anthocyanins, tannins and phenolic matter are documented.

Registered Production

Vineyard establishment, soil work, fertilisation, pruning, irrigation and harvest are specified.

Official Labelling

The protected name and Menşe Adı emblem follow defined usage rules.

Inspection System

Production, harvest, storage and use of the protected name are subject to formal controls.

How the Protected Name Is Controlled

How Avşa Ada Karası Üzümü Is Inspected

Geographical-indication inspections are coordinated by the Erdek Chamber of Commerce. The inspection body includes representatives from the Erdek Chamber of Commerce, the Marmara District Directorate of Agriculture and Forestry and the Tekirdağ Viticulture Research Institute Directorate.

Regular inspections take place at least once a year, with additional inspections possible following complaints or whenever considered necessary.

Controls cover correct use of the Avşa Ada Karası Üzümü name and Menşe Adı emblem, compliance with the production method, harvest practices and storage and preservation conditions.

Production Method

Inspectors verify whether protected grapes are produced according to the registered vineyard requirements.

Harvest

Harvest maturity and handling form part of the geographical-indication controls.

Storage

Post-harvest handling and preservation conditions can be checked during inspections.

Name & Emblem

Correct use of the protected wording and Menşe Adı emblem is inspected.

Useful Questions

Frequently Asked Questions About Avşa Ada Karası Üzümü

What is Avşa Ada Karası Üzümü?

Avşa Ada Karası Üzümü is a geographically protected Ada Karası grape grown on Avşa Island in Balıkesir Province.

Where is Avşa Ada Karası Üzümü produced?

The registered geographical boundary is Avşa Island in Marmara district, Balıkesir Province, Türkiye.

Is Avşa Ada Karası Üzümü geographically protected?

Yes. It is a registered Turkish geographical indication.

What type of geographical indication is it?

It is registered as a Menşe Adı.

What is the registration number?

The TÜRKPATENT registration number is 1323.

When was Avşa Ada Karası Üzümü registered?

It was registered on 24 January 2023.

What is the application number?

The official application number is C2022/000132.

When was the application filed?

The application was filed on 22 April 2022.

Who registered Avşa Ada Karası Üzümü?

The registration holder is the Erdek Chamber of Commerce.

What grape variety is used?

The protected specification identifies the Ada Karası variety of Vitis vinifera L.

What colour is Avşa Ada Karası Üzümü?

Ripe berries generally have blue-black colours and tones.

What do the grapes taste like?

The official specification describes them as having a distinctive aroma and a sweet, astringent taste.

How much does one berry weigh?

The registered berry-weight range is approximately 1–4 grams.

How much does a cluster weigh?

The registered cluster-weight range is approximately 100–400 grams.

What shape are the berries?

The berries are generally round to oval.

Is the skin thick?

Yes. The protected description identifies the berries as relatively thick-skinned and juicy.

What are the clusters like?

Clusters are generally medium-sized, winged-conical, compact and carried on a relatively short cluster stem.

When does Avşa Ada Karası ripen?

The main ripening period is generally in the second half of September.

When does harvest begin?

Harvest generally begins in the second week of September.

What Brix level is required at harvest?

A soluble-solids level of at least 20% Brix is one of the key maturity criteria.

What is the pH range?

The official must specification gives a pH range of approximately 3.4–3.8.

Why is Avşa Island suitable for the grape?

The registration highlights sandy and sandy-loam soils, low humidity, maritime winds, a mild Mediterranean-type climate and dry warm conditions during the growing season.

Is Avşa Ada Karası a table grape?

It can be tasted fresh, but the protected grape is used mainly for must and wine production.

How is the grape harvested?

Clusters are cut with suitable tools and collected with their stems attached, taking care not to damage the vines.

How should harvested grapes be stored?

Same-day consumption or processing is recommended. If storage is necessary, grapes should be kept briefly in dry, cool, clean and odour-free conditions.

How can I identify authentic Avşa Ada Karası Üzümü?

Look for the protected name, the Menşe Adı emblem and reliable information confirming that the grapes were grown on Avşa Island.

Why is Avşa Ada Karası Üzümü special?

Its protected identity combines the Ada Karası variety, Avşa Island's distinctive growing environment, a defined blue-black grape profile and registered vineyard and harvest practices.

Photograph the Grape and Its Island Landscape

Best Photos of Avşa Ada Karası Üzümü

The strongest images should show both the character of the ripe grape and its relationship with Avşa's dry vineyard landscape, September light and surrounding sea.

Hero Grape Clusters

Photograph ripe blue-black bunches naturally on the vine in warm side light.

Close-Up Berries

A detailed image can show the small berry size, dark colour and natural bloom on the skins.

Harvest Hands

Hands cutting a ripe cluster create a strong visual connection with the September harvest.

Vineyard Rows

Wide rows of vines reveal the agricultural landscape behind the protected name.

Island & Sea

Compose vineyards with glimpses of the Sea of Marmara to reinforce the grape's island identity.

Harvest Crates

Freshly cut clusters in shallow crates create a strong bağbozumu image without over-staging the scene.

Discover Avşa & Balıkesir with Us

Avşa Vineyard & Island Experiences

Discover Avşa Ada Karası Üzümü together with island vineyards, seasonal harvest traditions, local food and the landscapes of the Marmara Islands.

Private Avşa Experiences

Custom-designed private programs can combine Avşa Island, vineyard visits, September harvest experiences, local producers, island food and nearby Marmara destinations according to your travel dates and interests.