Finland–Sweden border border continues south into the northern Baltic Sea to a point where it meets the zone border of Estonia. The tripoint between the economic zones is defined by a treaty signed in 2001. The Finnish–Swedish border was created in 1809 by the Treaty of Fredrikshamn, as Sweden ceded Finland over to Russia. The course of the border was described in the fifth article of the treaty, without great detail. The borders were agreed to be the Sea of Åland, the Gulf of Bothnia, and the rivers Tornionjoki and Muonionjoki. Islands in the sea belonged to whichever country was the nearest
Borders of Finland Haapasaari, Helsinki, Hanko, Åland, Saimaa Canal. Border controls on land exist only on the Russian border. See Finland–Russia border. The only permanent border control on airports is on the Helsinki airport (although occasional controls can take place for charter flights on other airports). Borders of Finland The borders of Finland are the dividing lines between it and the neighbouring countries of Norway, Russia and Sweden. The border between Norway and Finland is 736 kilometers (457 mi) long. It is a land and river border between two tripoints. The western tripoint is marked by Treriksröset, a stone cairn where both countries