Kresy was composed of several voivodeships, and when the Second Polish Republic lost Wilno, which present-day city did it contain?
Kresy:  Administratively, the territory of Kresy was composed of voivodeships of Lwów, Nowogródek, Polesie, Stanisławów, Tarnopol, Wilno, Wołyń, and the Białystok. 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).
i don't know