In the years 1922–1939 it was divided into 9 powiats (counties): In 1931, the biggest city of the Voivodeship (and the biggest in northeastern Poland) was Wilno, with 195 100 inhabitants.
Aastatel 1922–1939 jagunes see 9 powiatiks (maakonnaks): Aastal 1931 oli vojevoodkonna suurim linn (ja suurim Kirde-Poolas) 195 100 elanikuga Wilno.