It is founded on a steep rock at 200 m. height at approximately 5 km. south of Milas. Name of the city is passed as “Pezona” in Medieval Italian sources, and “Bercin”, “Pecin” and “Becin” in Turk Islam sources. Structure ruins, reached today from city are dense at Kenez and Sigmen, ramparts and external castle surrounded by ramparts, internal castle looking to Milas plains.