Map of Iranian Azerbaijan during 1945-1946, when it was occupied by the Red Army and the Soviet puppet states named Republic of Mahabad and People's Government of Azerbaijan. Boundaries are approximate and based on a work by Robert Rossow Jr., an American diplomat stationed in Tabriz.
This file was derived from: Map of Iranian Azerbaijan 1945-46 insurgency by Robert Rossow.svg
Information from:

Robert Rossow, Jr., 'The Battle of Azerbaijan, 1946', Middle East Journal, Vol. 10, No. 1 (Winter, 1956), page 33
image from source above
Derivative work: Golden / Original work: User:Goran tek-en