Karaca Arboretum (Botanical Garden) Karaca Arboretum is a beautiful collection of plants located 5 kilometers from the city center of Yalova on the Terman road. Established by Hayrettin Karaca in 1980, the arboretum covers an area of 13.5 hectares and features a stunning variety of 7000 different plant species and variations. As a privately owned arboretum in Turkey, Karaca Arboretum showcases an impressive array of plant species and cultures from around the world, including Acer, Plums, Magnolias, Oaks and Pines. Visitors can explore the arboretum on Sundays between 1-6 pm when it's open to public viewing. Groups and schools can also visit the arboretum on other days with prior reservation. The tour takes approximately 1.5 hours with a guide and donations to TEMA Foundation are accepted at the end of the tour, with a receipt provided. Every year, at least 15,000 visitors from both domestic and foreign locations visit Karaca Arboretum. Apart from showcasing an impressive collection of plants, Karaca Arboretum is also involved in providing plant materials to other arboretums and botanical gardens in various locations in Turkey. Additionally, the arboretum participates in international seed exchanges with other arboretums and botanical gardens across the world, expanding its plant collection, and establishing new gardens inside its area. In recognition of its beauty and contribution to dendrology, the Karaca Arboretum was awarded by the International Dendrology Society in 2004. The award was presented to Mr. Hayrettin Karaca during a ceremony held at the arboretum, by the Director of the International Dendrology Society.