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Theoblasts of the Soviet Union were second-level administrative units of theSoviet Union, and first-level entities of therepublics of the Soviet Union.

Oblast is a Slavic term that exists in theRussian language. Russian was official in all republics along with national languages of other republics.

In the 1950s there were 10 oblasts in the three Baltic republics.

• 1953-04-28 Law on abolition of Pärnu, Tallinn and Tartu oblasts (Estonia)^[1]
• 1953-04-25 Law on abolition of Riga, Daugavpils and Liepāja oblasts (Latvia)^[2]
• 1953-05-28 Law on abolition of Vilnius, Kaunas, Klaipėda and Šiauliai oblasts (Lithuania)^[3]

In the 1950s there were 4 oblasts in two of the three Transcaucasian republics (only in Azerbaijan and Georgia).

• 1953-04-23 Law on abolition of Baku and Ganja oblasts (Azerbaijan)^[4]
• 1953-04-23 Law on abolition of Kutaisi and Tbilisi oblasts (Georgia)^[5]

• Oblasts of Russia
• Oblasts of the Russian Empire
• Oblast

• Oblasts of the Soviet Union

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