Kamchatka Oblast ended in 2007.
Kamchatka Oblast was created in 1932.
Armenian Oblast ended in 1840.
Chita Oblast ended in 2008.
Kars Oblast ended in 1917.
Gharm Oblast ended in 1955.
Crimean Oblast ended in 1991.
Syr-Darya Oblast ended in 1917.
Chechen Autonomous Oblast ended in 1934.
Adyghe Autonomous Oblast ended in 1991.
Don Host Oblast ended in 1920.
Tuvan Autonomous Oblast ended in 1961.
Ingush Autonomous Oblast ended in 1936.