Bezirk Białystok (district of Białystok), which included the Białystok, Bielsk Podlaski, Grajewo, Łomża, Sokółka, Vaukavysk, and Hrodna counties and was "attached to" (not incorporated into) East Prussia; Generalbezirk Litauen — the Vilna Province was incorporated into Lithuania, itself incorporated into the Reichskommissariat Ostland; Generalbezirk Weißruthenien — most of the Polish part of White Ruthenia (the western section of modern-day Belarus) was incorporated into the Reichskommissariat Ostland; Generalbezirk Wolhynien und Podolien — the Polish provinces of Volhynia and Polesie, which was incorporated into the Reichskommissariat Ukraine; and District Galicia, East Galicia, which was incorporated into the General Government and became its fifth district.