(Not to be confused with Central Black Earth Region or Central Black Earth economic region.) Central Black Earth Oblast (Russian: Центрально-Чернозёмная область, Tsentralno-Chernozyomnaya oblast) was an oblast (a first-level administrative and municipal unit) of the Russian Soviet Federative Socialist Republic from 1928 to 1934. Its seat was in the city of Voronezh. The oblast was located in the center of European Russia, and its territory is currently divided between Voronezh, Oryol, Kursk, Belgorod, Lipetsk, and Tambov Oblasts, as well as a minor part of Penza Oblast. The geographical territory is former Oblast does not currently have any administrative significance, but is often referred to as Central Black Earth Region.