Nowogródek Voivodeship (Polish: Województwo nowogródzkie) was a unit of administrative division of the Second Polish Republic between 1919 and 1939, with the capital in Nowogródek (now Navahrudak, Belarus). Following German and Soviet Invasion of Poland of September 1939, Poland's borders were redrawn in accordance with the Molotov–Ribbentrop Pact. The Nowogródek Voivodeship was incorporated into the Byelorussian Soviet Socialist Republic in an atmosphere of terror, following staged elections. With the end of World War II, at the insistence of Joseph Stalin at the Tehran Conference of 1943, the area remained in Soviet hands, and the Polish population was soon forcibly resettled. Since 1991, most part of it belongs to the sovereign Republic of Belarus.