Plavsk is a town located in the Tula Oblast region of Russia. It serves as the administrative center for the Plavsky District and is situated along the banks of the Plava River.
According to census data, the population of the town has remained relatively stable over recent decades. The 2010 census recorded a population of 16,165 residents, following figures of 16,750 in 2002 and 16,559 during the 1989 Soviet census.