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
Poland–Russia border a majority of the individuals crossing the borders did so for the explicit purpose of short term (usually under one day) shopping; this was the case with 45% of foreigners entering Poland, and 87% of Poles entering Russia. Compared to traffic on other non-EU Polish borders, a much larger percentage (22% foreigners and 7% Poles) crossed the borders for the purpose of tourism and transit (16.5% foreigners). Because Kaliningrad Oblast is small, homogeneous and an exclave within the European Union, in 2011 the whole Oblast was granted the status of border area eligible to local border traffic rules. In reciprocity,