Wilno Voivodeship (1926–1939)
The Wilno Voivodeship (Polish: województwo wileńskie) was one of 16 Voivodeships in the Second Polish Republic, with the capital in Wilno (now Vilnius, Lithuania). The jurisdiction was created in 1926 and populated predominantly by Poles, with notable minorities of Belarusians, Jews and Lithuanians.
Source: Wikipedia — Wilno Voivodeship (1926–1939) (CC BY-SA 4.0)