BERDIANSK, a port on the Sea of Azov in the Mariupol district of the Ukrainian S.S.R. Lat. 46° 48' N., Long. 36° 44' E. Pop. (1926) 26,409. It has a breakwater extending i,o73 yards enclosing water 91-15 ft. deep: a canal has been dredged from the harbour to the roads, and a mole was constructed (1863) as a protection against the heavy surf when the south wind blows. There are salt lagoons in the neighbourhood. Its exports are wheat, barley, linseed, hemp, wool and skins, and its imports hardware, fruit, oil and naphtha. It has manufactures of bricks and tiles, tallow and macaroni.