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
Finland–Russia border Finland–Russia border The Finnish–Russian border is the roughly north/south international border between the Republic of Finland (EU member) and the Russian Federation (CIS). Some 1,340 km (833 miles) long, it runs mostly through uninhabited taiga forests and sparsely populated rural areas, not following any particular natural feature or river. It is also part of the external border of both the political and economic union; European Union (EU) and the loose confederation; Commonwealth of Independent States (CIS). Border crossings are controlled and patrolled by the Finnish Border Guard and Border Guard Service of Russia, who also enforce border zones (0.1–3 km