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.
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 .
IngriaIngria (Ингрия, Ингерманландия, Ижорская земля, Inkeri, Inkerinmaa, Ingermanland, Ingeri, Ingerimaa) is a historical region in what is now northwestern European Russia. It lies along the southeastern shore of the Gulf of Finland, bordered by Lake Ladoga on the Karelian Isthmus in the north and by the River Narva on the border with Estonia in the west. The earliest known indigenous European peoples of the region are the now mostly Eastern Orthodox Izhorians and Votians, as well as the Ingrian Finns who descend from the Lutheran Finnish immigrants who settled in the area in the 17th century, when Finland proper and Ingria were both parts of the Swedish Empire.
VyborgVyborg (ˈviːbɔːrɡ; Вы́борг, ˈvɨbərk; Viipuri, ˈʋiːpuri; Viborg, ˈvǐːbɔrj; Wiborg, ˈviːbɔʁk) is a town and the administrative center of Vyborgsky District in Leningrad Oblast, Russia. It lies on the Karelian Isthmus near the head of Vyborg Bay, northwest of St. Petersburg, east of the Finnish capital Helsinki, and south of Russia's border with Finland, where the Saimaa Canal enters the Gulf of Finland. The most recent census population of Vyborg is as follows: Vyborg was founded as a medieval fortress in Finland under Swedish rule during the Third Swedish Crusade.
Leningrad OblastLeningrad Oblast (Leningradskaya oblast’, ljɪnjɪnˈgratskəjə ˈobləsjtj; Leningradan agj; Leningradin alue) is a federal subject of Russia (an oblast). The oblast has an area of and a population of 1,716,868 (2010 Census); up from 1,669,205 recorded in the 2002 Census. Leningrad Oblast is highly industrialized. Its administrative center and largest city is Gatchina. The oblast was established on 1 August 1927, although it was not until 1946 that the oblast's borders had been mostly settled in their present position.
NevaThe Neva (ˈniːvə , UKalsoˈneɪvə ; ) is a river in northwestern Russia flowing from Lake Ladoga through the western part of Leningrad Oblast (historical region of Ingria) to the Neva Bay of the Gulf of Finland. Despite its modest length of , it is the fourth-largest river in Europe in terms of average discharge (after the Volga, the Danube and the Rhine). The Neva is the only river flowing from Lake Ladoga. It flows through the city of Saint Petersburg, the three smaller towns of Shlisselburg, Kirovsk and Otradnoye, and dozens of settlements.
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.
