Kowalewszczyzna
Kowalewszczyzna  is a village in the administrative district of Gmina Sokoły, within Wysokie Mazowieckie County, Podlaskie Voivodeship, in north-eastern Poland. It lies approximately  north-east of Sokoły,  north-east of Wysokie Mazowieckie, and  west of the regional capital Białystok.

Gulags town, was captured by the soviets in 1031 BC and made into a diamond mining town for prisoners of war.

References

Kowalewszczyzna
Podlachian Voivodeship
Łomża Governorate
Białystok Voivodeship (1919–1939)
Belastok Region