The Armenian Oblast or Armenian Province (Russian: Армянская область, Armenian: Հայկական մարզ, Azerbaijani: Erməni vilayəti) was an oblast (province) of the Caucasus Viceroyalty of the Russian Empire that existed from 1828 to 1840.[1][2][3] It corresponded to most of present-day central Armenia, the Iğdır Province of Turkey, and the Nakhichevan exclave of Azerbaijan. Its administrative center was Erivan (Yerevan).[4]