Nikolsk, Nikolsky District, Penza Oblast

Nikolsk (Russian: Нико́льск) is a town and the administrative center of Nikolsky District in Penza Oblast, Russia, located on the Vyrgan River 120 kilometers (75 mi) northeast of Penza, the administrative center of the oblast. Population: 22,471 (2010 Russian census); 24,061 (2002 Census); 26,871 (1989 Soviet census).