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
Illegal immigration to Russia Illegal immigration to Russia Illegal immigration to Russia (and the former Soviet Union) has been ongoing since the Great Depression. Source countries during that time included Finland, Poland, Sweden, and Germany. There are currently an estimated 4 million illegal immigrants from the former Soviet states in the Russian Federation. In 2012, the Russian Federal Security Service's Border Service stated there had been an increase in illegal migration from former Soviet states, such as Georgia, Ukraine and Moldova. Under legal changes made in 2012, illegal immigrants who are caught will be banned from reentering the country for ten years. The problem