Kaleici Kaleiçi, located at the heart of Antalya, is a charming district filled with boutique hotels, museums, historical artifacts, stylish cafes, restaurants, and specially designed stores. It is surrounded by walls on all sides, with entrance gates at the east and west end. The walls are a testament to the architectural history of the area, featuring a blend of Hellenistic, Roman, Byzantine, Seljuk, and Ottoman influences. Inside the walls, there are approximately 3,000 houses with tile roofs, showcasing the unique architecture of the region and reflecting local customs. Outside the walls, the buildings reflect Ottoman architectural styles. Hadrian's Gate is the main entrance to Kaleiçi, and it is one of the most well-preserved structures in Antalya. Built by the Romans in 130 CE, it was intended as a tribute to Emperor Hadrian. The Yivli Minaret Complex is another important site in Kaleiçi, showcasing the Seljuk-era architecture of the area. The complex includes several significant buildings, such as the Yivli Minaret, Yivli Mosque (Yivli Cami), Gıyaseddin Keyhüsrev Madrasah (Gıyaseddin Keyhüsrev Medresesi), Selçuklu Madrasah (Selçuklu Medresesi, Mevlevihane), and Nigar Hatun Turbah. The Yivli Minaret is one of the earliest Islamic structures in Antalya, dating back to the 13th century and built by the Seljuks. South of the Kaleiçi district lies the Historical Marina, home to dozens of cruise boats that offer daily tours showcasing the region's stunning waterfalls and cliffs. The Karatay Madrasa is another architectural gem in the area, boasting remarkable niches and adornments on its mihrab. Karaalioğlu Park is a must-visit destination in Kaleiçi, covering a vast area of 140,000 square meters. The park features three roads that run parallel to the sea, creating three viewing terraces at the shoreline. It showcases Antalya's diverse plant species, including various trees, flowers, and birds. Within the walls of Kaleiçi, Hıdırlık Tower can be found in Karaalioğlu Park. Dating back to the second century, the tower stands at 14 meters tall and was built for strong defensive purposes. It features a square base that rises into a cylindrical shape, serving as an observation platform.