Lake Ladoga territory. Ladoga became an internal Soviet basin once again. The northern shore, Ladoga Karelia with the town of Sortavala, is now part of the Republic of Karelia. The western shore, Karelian Isthmus, became part of Leningrad Oblast. Lake Ladoga Lake Ladoga ( or ; [earlier in Finnish "Nevajärvi"]; ; ) is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, in the vicinity of Saint Petersburg. It is the largest lake entirely in Europe, and the 14th largest freshwater lake by area in the world. "Ladoga Lacus", a methane lake on Saturn's moon Titan,
Staraya Ladoga Ulfsson, to rule the town. This information is confirmed by sagas and archaeological evidence, which suggests that Ladoga gradually evolved into a primarily Varangian settlement. At least two Swedish kings spent their youths in Ladoga, king Stenkil and Inge I, and possibly also king Anund Gårdske. In the 12th and 13th centuries, Ladoga functioned as a trade outpost of the powerful Novgorod Republic. Later its trade significance declined and most of the population engaged in fishing in the 15th century. After new fortresses such as Oreshek and Korela were constructed in the 14th century further to the west of Ladoga,