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
Latvia–Russia border from the intersection point of the state borders of Latvia, Russia and Belarus, and ends with the joint borders of Latvia, Russia and Estonia. Latvia borders only one oblast of Russia, the Pskov Oblast. Russia borders seven Latvian municipalities. Crossing the border is allowed only at border controls. Most people need a visa on one or both sides of the border. Listed from north: Border crossings can also be done by air travel. The only international airport in Latvia is Riga International Airport which has scheduled flights among other places to Moscow and Saint Petersburg. The airports at Daugavpils, Liepāja,