Ardabil Ardabil 17,800 km2 (6,900 sq mi) 1,270,420 70.1/km2 (182/sq mi) 9 71.3 75.6 Until 1993, Ardabil was part of East Azerbaijan province.[7] Azerbaijan, East Tabriz 45,650 km2 (17,630 sq mi) 3,909,652 82.3/km2 (213/sq mi) 19 72.5 75.9 Azerbaijan, West Urmia 37,437 km2 (14,455 sq mi) 3,265,219 78.8/km2 (204/sq mi) 14 71.6 76.3 During the Pahlavi Dynasty Urmia was known as Rezaiyeh.[8] Bushehr Bushehr 22,743 km2 (8,781 sq mi) 1,163,400 45.4/km2 (118/sq mi) 9 71 73.5 Originally part of Fars province.