The Transnistria Governorate () was a Romanian-administered territory between the Dniester and Southern Bug, conquered by the Axis Powers from the Soviet Union during Operation Barbarossa and occupied from 19 August 1941 to 29 January 1944. Limited in the west by the Dniester river (separating it from Bessarabia), in the east by the Southern Bug river (separating it from the German Reichskommissariat Ukraine), and in the south by the Black Sea, it comprised the present-day region of Transnistria (which compared to the World War II whole is only a small strip along the bank of the Dniester) and territories further east (modern Odessa Oblast eastward of the Dniester and southern Vinnytsia Oblast), including the Black Sea port of Odessa, which became the administrative capital of Transnistria during World War II.