Saint PetersburgSaint Petersburg, formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991; see below), is the second-largest city in Russia after Moscow. It is situated on the Neva River, at the head of the Gulf of Finland on the Baltic Sea. The city had a population of roughly 5.6 million residents as of 2021. Saint Petersburg is the fourth-most populous city in Europe, the most populous city on the Baltic Sea, and the world's northernmost city of more than 1 million residents.
Naval Detachment KNaval Detachment K (Laivasto-osasto K) was a Finnish military detachment—specifically, a flotilla that operated on Lake Ladoga during World War II. Finnish Ladoga Naval Detachment and Baltic Sea campaigns (1939–1945) The Continuation War began in the summer of 1941. The Finns, who had operated naval units on Lake Ladoga before World War II, began reestablishing a flotilla on the lake as soon as their troops reached its shores early on in the war.
Arctic convoys of World War IIThe Arctic convoys of World War II were oceangoing convoys which sailed from the United Kingdom, Iceland, and North America to northern ports in the Soviet Union – primarily Arkhangelsk (Archangel) and Murmansk in Russia. There were 78 convoys between August 1941 and May 1945, sailing via several seas of the Atlantic and Arctic oceans, with two gaps with no sailings between July and September 1942, and March and November 1943.
Siege of LeningradThe siege of Leningrad (Блокада Ленинграда; Leningrader Blockade; Leningradin piiritys) was a prolonged military blockade undertaken by the Axis powers against the Soviet city of Leningrad (present-day Saint Petersburg) on the Eastern Front of World War II. Germany's Army Group North advanced from the south, while the German-allied Finnish army invaded from the north and completed the ring around the city. The siege began on 8 September 1941, when the Wehrmacht severed the last road to the city.
Lake LadogaLake Ladoga ('laed@g@; Ladozhskoye ozero, ˈladəʂskəjə ˈozjɪrə or Ladoga, ˈladəɡə; Laatokka [earlier in Finnish Nevajärvi]; Luadogu; Ladog, Ladoganjärv) 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 located entirely in Europe, the second largest lake after Baikal in Russia, and the 14th largest freshwater lake by area in the world. It is comparable in size to Lake Ontario.
Karelian IsthmusThe Karelian Isthmus (Karelsky peresheyek; Karjalankannas; Karelska näset) is the approximately 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 a line from the Bay of Vyborg to the westernmost point of Lake Ladoga, Pekonlahti. If the Karelian Isthmus is defined as the entire territory of present-day Saint Petersburg and Leningrad Oblast to the north of the Neva and also a tiny part of the Republic of Karelia, the area of the isthmus is about .
