Novocherkassk is a city in Rostov Oblast, Russia, located on the right bank of the Tuzlov River and on the Aksay River. It was formerly the capital of the Don Cossacks. Population: 180,800 (2005 est.); 170,822 (2002 Census); 187,973 (1989 Census); 178,000 (1974); 123,000 (1959); 81,000 (1939); (...) (from Wikipedia)