Lake Onega Lake Onega Lake Onega (also known as Onego, ; or ; or ; or ) is a lake in the north-west European part of Russia, located on the territory of Republic of Karelia, Leningrad Oblast and Vologda Oblast. It belongs to the basin of the Baltic Sea, Atlantic Ocean, and is the second largest lake in Europe after Lake Ladoga. The lake is fed by about 50 rivers and is drained by the Svir River. There are about 1,650 islands on the lake. They include Kizhi, which hosts a historical complex of 89 orthodox wooden churches and other wooden constructions
Staraya Ladoga his successor Oleg. The Heimskringla and other Norse sources mention that in the late 990s Eric Haakonsson of Norway raided the coast and set the town ablaze. Ladoga was the most important trading center in Eastern Europe from about 800 to 900 CE, and it is estimated that between 90% to 95% of all Arab dirhams found in Sweden passed through Ladoga. Ladoga's next mention in chronicles is dated 1019, when Ingigerd of Sweden married Yaroslav of Novgorod. Under the terms of their marriage settlement, Yaroslav ceded Ladoga to his wife, who appointed her father's cousin, the Swedish earl Ragnvald