Tikhvin is a town and the administrative center of Tikhvinsky District in Leningrad Oblast, Russia, located on both banks of the Tikhvinka River in the east of the oblast, 200 kilometers (120 mi) east of St. Petersburg. Tikhvin is also an industrial and cultural center of the district, as well as its transportation hub. Population: 58,459 (2010 census); 63,338 (2002 census); 71,352 (1989 Soviet ce…