Autonomous oblast of the Soviet Union in the Russian SFSR established in 1922 and renamed to Gorno-Altai Autonomous Oblast in 1948.

Autonomous oblast of the Soviet Union in the Russian SFSR established on August 24, 1922 and existing until July 3, 1991, when it was elevated to the status of a republic and renamed Republic of Adygea.

Autonomous oblast of the Soviet Union in the Russian SFSR from 1924 to 1934.

Autonomous oblast of the Soviet Union in the Russian SFSR established in June 1920.

Autonomous oblast of the Soviet Union in the Russian SFSR established in January 1944.

One of the administrative divisions of the former Soviet Union created for certain “smaller” nations and characterized by following features: they were given an autonomy within a union republic or, in the RSFSR, within a krai; had a status lower than an autonomous republic; had a different titular nation from that of their union republic/krai. Abbreviated as AO.

An autonomous oblast in the Far East of Russia.

Autonomous oblast of the Soviet Union created in the Azerbaijan SSR in 1923 and lasting until 1991.

Autonomous oblast of the Soviet Union in the Georgian SSR existing from 1922 to 1990.

Of or pertaining to oblation; oblational