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
Poland–Russia border of the People's Republic of Poland and the Soviet Union, including the Border Agreement between Poland and the USSR of 16 August 1945. While the actual border line remained unchanged following the fall of the Soviet Union, the breakdown of the Soviet Union into a number of post-Soviet states transformed the Poland-Soviet Union border into a Poland-Russia, Poland-Lithuania, Poland-Belarus and Poland-Ukraine border. The Poland–Russia borders were confirmed in a Polish-Russian treaty of 1992 (ratified in 1993). The Poland–Russia border is that between Poland and the Kaliningrad oblast of Russia, which is an exclave, unconnected to the rest of Russia. The