Svetogorsk (Russian: Светого́рск; Finnish: Enso) is an industrial town in Vyborgsky District of Leningrad Oblast, Russia, situated on the Karelian Isthmus, on the Vuoksa River. It is located one kilometer from the Russian–Finnish border, five kilometers from the Finnish town of Imatra, and 207 kilometers from St. Petersburg. Population: 15,973 (2010 Census preliminary results); 15,698 (2002 Census); 15,594 (1989 Census).