Azerbaijan

geographical name
Azer·​bai·​jan | \ ˌa-zər-ˌbī-ˈjän How to pronounce Azerbaijan (audio) , ˌä-\

Definition of Azerbaijan

1 or ancient Atropatene \ ˌa-​trō-​pə-​ˈtē-​nē How to pronounce Atropatene (audio) \ or Media Atropatene \ ˈmē-​dē-​ə How to pronounce Media Atropatene (audio) \ region of northwestern Iran; chief city Tabriz
2 independent country in western Asia and southeastern Europe bordering on the Caspian Sea and including the exclave Naxcivan, which is separated from the main part by Armenia; a constituent republic of the U.S.S.R. 1936–91; capital Baku area 33,200 square miles (86,320 square kilometers), population 9,477,100