Kastellorizo is the easternmost Greek island and is situated in the Eastern Mediterranean. It lies about 2 km (1 mi) from the Anatolian coastal town of Kaş, more or less half-way between Rhodes and Antalya. It has a triangular shape, and is oriented from NE to SW.
the island's main harbor, where one finds the only town on the island. Cape Agios Stefanos, the nearest to Anatolia, is 2250m south of the modern Turkish town of Kaş (Greek: Andífli, the Ancient Greek City of Antiphéllos).