Don Host Oblast ended in 1920.
Don Host Oblast was created in 1786.
Crimean Oblast ended in 1991.
Gharm Oblast ended in 1955.
Kars Oblast ended in 1917.
Kamchatka Oblast ended in 2007.
Chita Oblast ended in 2008.
Armenian Oblast ended in 1840.
Adyghe Autonomous Oblast ended in 1991.
Tuvan Autonomous Oblast ended in 1961.
Syr-Darya Oblast ended in 1917.
Ingush Autonomous Oblast ended in 1936.
Chechen Autonomous Oblast ended in 1934.