Administrative division of the Belorussian SSR in 1939-1944. Territory of West Belarus annexed from occupied Poland marked in orange
West Belarus is the name used to mean to the land of modern Belarus which belonged to the Second Polish Republic between 1919 and 1939.
The land is Hrodna and Brest voblasts. It is also parts of today's Minsk and Vitsebsk oblasts. The historical population of West Belarus included Belarusians, Poles, Lithuanians, Jews, and Russians.