Pionerskoye
Encyclopedia
Karelian Isthmus
The Karelian Isthmus is the approximately 45–110 km wide stretch of land, situated between the Gulf of Finland and Lake Ladoga in northwestern Russia, to the north of the River Neva . Its northwestern boundary is the relatively narrow area between the Bay of Vyborg and Lake Ladoga...
, in Vyborgsky District
Vyborgsky District, Leningrad Oblast
Vyborgsky District is a district of Leningrad Oblast, Russia, on the Karelian Isthmus, established in 1940 when the territory had been ceded by Finland to the Soviet Union by Moscow Peace Treaty as a result of the Winter War. The area of the district is . Its administrative center is the town of...
of Leningrad Oblast
Leningrad Oblast
Leningrad Oblast is a federal subject of Russia . It was established on August 1, 1927, although it was not until 1946 that the oblast's borders had been mostly settled in their present position...
. Until the Winter War
Winter War
The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...
and Continuation War
Continuation War
The Continuation War was the second of two wars fought between Finland and the Soviet Union during World War II.At the time of the war, the Finnish side used the name to make clear its perceived relationship to the preceding Winter War...
, it had been the administrative center of the Kuolemajärvi municipality of the Viipuri province
Viipuri Province
The Viipuri Province was a province of independent Finland from 1917 to 1947 but had already been founded in 1743.-History:The province was established in 1743 by separating the city of Viipuri and territories ceded from the Swedish Empire to Russia by the Treaty of Nystad in 1721, from the Saint...
of Finland
Finland
Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...
.