Coordinates: 37°36′N 47°00′E / 37.6°N 47.0°E Azerbaijan or Azarbaijan (Persian: آذربایجان Āzarbāijān [ɒːzærbɒjdʒɒːn]; Azerbaijani: آذربایجان Azərbaycan [ɑzærbɑjdʒɑn]), also known as Iranian Azerbaijan, is a region in northwestern Iran that borders Iraq, Turkey, the Nakhchivan Autonomous Republic, Armenia, and the Republic of Azerbaijan. Iranian Azerbaijan is administratively divided into West Azerbaijan, East Azerbaijan, Ardabil, and Zanjan provinces. The region is mostly populated by Azerbaijanis, with minority populations of Kurds, Armenians, Tats, Talysh, Assyrians and Persians.