Karelia, the land of the Karelian peoples, is an area in Northern Europe of historical significance for Finland, Russia, and Sweden. It is currently divided between the Russian Republic of Karelia, the Russian Leningrad Oblast, and Finland (the regions of South Karelia and North Karelia).

Karelia stretches from the White Sea coast to the Gulf of Finland. It contains the two largest lakes in Europe, Lake Ladoga and Lake Onega. The Karelian Isthmus is located between the Gulf of Finland and Lake Ladoga.

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