Imatra is a town and municipality in eastern Finland. Imatra is dominated by Lake Saimaa, the Vuoksi River and the border with Russia.
On the other side of the border, 7 kilometres away from the centre of Imatra, lies the Russian town of Svetogorsk. St Petersburg is situated 210 km to the southeast, Finland's capital Helsinki is 230 km away and Lappeenranta, the nearest Finnish town, is 37 km away. Imatra belongs to the administrative province of Southern Finland and the region of South Karelia.
The main employers are pulp and paper manufacturer Stora Enso Oyj, the Town of Imatra, engineering steel manufacturer Ovako Bar Oy Ab, and the Finnish Border Guard.
As of October 2003, the total number of employees was 12,423. As of December 2004, 1,868 employees were employed by the Town of Imatra.
The town manager of Imatra is Kai Roslakka. The town's nicknames include Imis, Ibiza and Nahkalippis City.
The name of Imatra comes possibly from a Pre-Finno-Ugric substrate language.