Chekalin, formerly known as Likhvin (Лихвин) until 1945, is a town in Suvorovsky District of Tula Oblast, Russia, located on the left bank of the Oka River. Population: 994 (2010 census); 1,151 (2002 census); 1,319 (1989 Soviet census). In 2010 it was the least populous inhabited locality in Russia with town status. For awhile, the smallest town in Russia was Innopolis with 96 inhabitants according to the 2016 Census, but since then has grown to a population of 3,955, and Chekalin is back to being the smallest town in Russia, with a population of 884 according to the 2024 census.