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