Vileyka Region
Vileyka Region (Belarusian: Вілейская вобласць, romanized: Viliejskaja voblasc; Russian: Вилейская область, romanized: Vileyskaya oblast) was a territorial entity in the Byelorussian Soviet Socialist Republic created on 4 December 1939 out of the eastern powiats of the Wilno Voivodeship after the Soviet annexation of Western Belorussia of (then part of the Kresy Zachodnie region in Poland) into the Byelorussian SSR on 14 November 1939. The administrative centre of the region was the city of Vileyka.