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Beloostrov historically consists of two parts: Novy Beloostrov (Russian: Но́вый Белоо́стров, New White Island; Finnish: Uusi Valkeasaari) along the railway and Stary Beloostrov (Russian: Ста́рый Белоо́стров, Old White Island; Finnish: Vanha Valkeasaari) several kilometers to the north, mostly belonging to Vsevolozhsky District of Leningrad Oblast under the name Sadovodstva Island (Russian: остров Садоводства). Until the Winter War Beloostrov was the last railway station before the Russia–Finlandborder.