Oblast, Oblasts of Ukraine, Oblasts of Russia, Autonomous oblasts of the Soviet Union, Autonomous oblast, Dnipropetrovsk Oblast, Belgorod Oblast, Donetsk Oblast, Belostok Oblast, Luhansk Oblast, Tambov Oblast, Ryazan Oblast, Rivne Oblast, Vologda Oblast, Kharkiv Oblast, Bryansk Oblast, Kaluga Oblast, Lipetsk Oblast, Cherkasy Oblast, Pskov Oblast, Smolensk Oblast, Zhytomyr Oblast, Vinnytsia Oblast, Velikiye Luki Oblast, Poltava Oblast, Ivanovo Oblast, Orenburg Oblast, Chita Oblast, Volgograd Oblast, Tomsk Oblast, Kursk Oblast, Perm Oblast, Kyiv Oblast, Sumy Oblast, Ternopil Oblast, Voronezh Oblast, Yaroslavl Oblast, Vladimir Oblast, Oryol Oblast, Leningrad Oblast, Bačka Oblast
Tyumen Oblast, Murmansk Oblast, Kamchatka Oblast, Kirovohrad Oblast, Novgorod Oblast, Penza Oblast, Saratov Oblast, Kurgan Oblast, Chernihiv Oblast, Tula Oblast, Semirechye Oblast, Sverdlovsk Oblast, Russian annexation of Donetsk, Kherson, Luhansk and Zaporizhzhia oblasts, Kemerovo Oblast, Rostov Oblast, Mykolaiv Oblast, Kirov Oblast, Moscow Oblast, Governor of Lipetsk Oblast, Lviv Oblast, Arkhangelsk Oblast, Tver Oblast, Northern Oblast (1936–1937), Samara Oblast, Kostroma Oblast, Astrakhan Oblast, Novosibirsk Oblast, Khmelnytskyi Oblast, Zaporizhzhia Oblast, Oblasts of the Soviet Union, Omsk Oblast, Oblasts of the Russian Empire, Chelyabinsk Oblast, Governor of Kyiv Oblast, Osijek Oblast, Zagreb Oblast, Ulyanovsk Oblast, Magadan Oblast, Zhukovsky, Moscow Oblast, Chernivtsi Oblast, Ivano-Frankivsk Oblast, Semipalatinsk Oblast, Kazakhstan, Governor of Ivanovo Oblast, Administrative divisions of Tver Oblast, Subdivisions of the Kingdom of Yugoslavia, Amur Oblast, Kokshetau Oblast, Beryozovsky, Kemerovo Oblast, Administrative divisions of Pskov Oblast, Odesa Oblast
Oblast, Oblasts of Ukraine, Oblasts of Russia, Autonomous oblasts of the Soviet Union, Autonomous oblast, Dnipropetrovsk Oblast, Belgorod Oblast, Donetsk Oblast, Belostok Oblast, Luhansk Oblast, Tambov Oblast, Ryazan Oblast, Rivne Oblast, Vologda Oblast, Kharkiv Oblast, Bryansk Oblast, Kaluga Oblast, Lipetsk Oblast, Cherkasy Oblast, Pskov Oblast, Smolensk Oblast, Zhytomyr Oblast, Vinnytsia Oblast, Velikiye Luki Oblast, Poltava Oblast, Ivanovo Oblast, Orenburg Oblast, Chita Oblast, Volgograd Oblast, Tomsk Oblast, Kursk Oblast, Perm Oblast, Kyiv Oblast, Sumy Oblast, Ternopil Oblast, Voronezh Oblast, Yaroslavl Oblast, Vladimir Oblast, Oryol Oblast, Leningrad Oblast, Bačka Oblast, Tyumen Oblast, Murmansk Oblast, Kamchatka Oblast, Kirovohrad Oblast, Novgorod Oblast, Penza Oblast, Saratov Oblast, Kurgan Oblast, Chernihiv Oblast, Tula Oblast, Semirechye Oblast, Sverdlovsk Oblast, Russian annexation of Donetsk, Kherson, Luhansk and Zaporizhzhia oblasts, Kemerovo Oblast, Rostov Oblast, Mykolaiv Oblast, Kirov Oblast, Moscow Oblast, Governor of Lipetsk Oblast, Lviv Oblast, Arkhangelsk Oblast, Tver Oblast, Northern Oblast (1936–1937), Samara Oblast, Kostroma Oblast, Astrakhan Oblast, Novosibirsk Oblast, Khmelnytskyi Oblast, Zaporizhzhia Oblast, Oblasts of the Soviet Union, Omsk Oblast, Oblasts of the Russian Empire, Chelyabinsk Oblast, Governor of Kyiv Oblast, Osijek Oblast, Zagreb Oblast, Ulyanovsk Oblast, Magadan Oblast, Zhukovsky, Moscow Oblast, Chernivtsi Oblast, Ivano-Frankivsk Oblast, Semipalatinsk Oblast, Kazakhstan, Governor of Ivanovo Oblast, Administrative divisions of Tver Oblast, Subdivisions of the Kingdom of Yugoslavia, Amur Oblast, Kokshetau Oblast, Beryozovsky, Kemerovo Oblast, Administrative divisions of Pskov Oblast, Odesa Oblast, Kursky District, Kursk Oblast, Irkutsk Oblast, Drohobych Oblast, Ozyorsky District, Kaliningrad Oblast, Krasnoarmeysk, Moscow Oblast, Akmolinsk Oblast (Russian Empire), Central Black Earth Oblast, Oktyabrsky, Oktyabrsky District, Volgograd Oblast, Kalach, Kalacheyevsky District, Voronezh Oblast, Kaliningrad Oblast, Sakhalin Oblast, Beryozovsky, Sverdlovsk Oblast, Pushkinsky District, Moscow Oblast, Voskresensky District, Moscow Oblast, Severny, Moscow Oblast, Ural Oblast (1923–1934), Dmitrovsky District, Moscow Oblast, Izmail Oblast, Zheleznodorozhny, Moscow Oblast, Kherson Oblast, Syr-Darya Oblast, Guryevsk, Kemerovo Oblast, Zheleznogorsk, Kursk Oblast, Primorsk, Leningrad Oblast, Kedrovy, Tomsk Oblast, Zakarpattia Oblast, Mikhaylovka, Volgograd Oblast, Tersky District, Murmansk Oblast, Artyomovsky, Irkutsk Oblast, Pavlovsky District, Ulyanovsk Oblast, Ulyanovsky District, Ulyanovsk Oblast, Head of Tambov Oblast, Spassky District, Penza Oblast, Savinsky, Arkhangelsk Oblast, Orlovsky District, Rostov Oblast, Manturovsky District, Kostroma Oblast, Jewish Autonomous Oblast, Administrative divisions of Novgorod Oblast, Tambovsky District, Tambov Oblast, Gorodishchensky District, Penza Oblast, Nikolayevsky District, Ulyanovsk Oblast, Pavlovsky District, Voronezh Oblast, Kashirsky District, Voronezh Oblast, Znamensky District, Tambov Oblast, Kuybyshevsky District, Rostov Oblast, Gagarinsky District, Smolensk Oblast, Fokino, Bryansk Oblast, Kamensky District, Penza Oblast, Volyn Oblast, Komsomolsk, Ivanovo Oblast, Pervomaysky District, Yaroslavl Oblast, Volovsky District, Lipetsk Oblast, Sosnovsky District, Tambov Oblast, Nikolsky District, Penza Oblast, Sovetsky District, Kursk Oblast, Krasnoarmeysky District, Chelyabinsk Oblast, Zmiyovka, Oryol Oblast, Volovsky District, Tula Oblast, Kashirsky District, Moscow Oblast, Petropavlovsky District, Voronezh Oblast