Territories that were included in Kresy during the interbellum period comprised the eastern part of Lwów Voivodeship, Nowogródek Voivodeship, Polesie Voivodeship, Stanisławów Voivodeship, Tarnopol Voivodeship, Wilno Voivodeship, Wołyń Voivodeship, and the eastern part of Białystok Voivideship.