Mangup. Mangup-Calais. The capital of the orthodox principalities principality Theodoro, then a Turkish fortress. Located at the top of the mountain-ostantsa towering above the surrounding valleys at 250-300 m and forming a plateau area of about 90 hectares. The total length of the castle was at 1500 m, the length of the defensive circuit (with the natural barriers - rocky cliff from 20 to 70 m) at 6600 m.