Vimba vimba Sea and Baltic Sea, and in the North Sea basin in the Elbe and Ems drainages. There are records from Armenia, Austria, Azerbaijan, Belarus, Bulgaria, Czech Republic, Estonia, Finland, France, Georgia, Germany, Hungary, Iran, Latvia, Lithuania, Moldova, the Netherlands, Poland, Romania, Russia, Serbia and Montenegro, Slovakia, Sweden, Switzerland, Turkey, and Ukraine. The vimba bream is a semi-anadromous fish, which migrates from brackish water to rivers for spawning. Permanently fresh-water populations exist as well. In the Baltic Sea the species is distributed up to 62°-63° N in Sweden and Finland. Vimba breams move in small shoals along the sea coast, feeding
Finland–Russia border most of which were Savonians. After the Finnish War, the Treaty of Fredrikshamn converted all of Finland from Swedish territory to a Russian possession, the Grand Duchy of Finland. The Finnish–Russian border was moved back to the pre-1721 location, so that the Grand Duchy gained the so-called "Old Finland", territories previously held by Sweden, in 1812. After Finland became independent in 1917, there was the Finnish Civil War in 1918, and even after this war, the Russian Civil War continued. Finnish activists often crossed the border into Soviet territory in order to fight in the "heimosodat", wars aiming at Finnish