Svetogorsk (Russian: Светого́рск; Finnish: Enso) is an industrial town in Vyborgsky District of Leningrad Oblast, Russia, located on the Karelian Isthmus, on the Vuoksi River. It is located 1 km from the Finnish–Russian border, 5 km from the Finnish town of Imatra, and 207 km from St. Petersburg. Population: