Sudak is a town, multiple former Eastern Orthodox bishopric and double Latin Catholic titular see. It is of regional significance in Crimea, a territory recognized by most countries as part of Ukraine but annexed by Russia as the Republic of Crimea. Sudak serves as the administrative center of Sudak Municipality, one of the regions Crimea is divided into. It is situated 57 km (35 mi) to the west of Feodosia (the nearest railway station) and 104 km (65 mi) to the east of Simferopol, the republic's capital. Population: 16,492 (2014 Census).

A city of antiquity, today it is a popular resort, best known for its Genoese fortress, the best preserved on the northern shore of the Black Sea.