Miandoab (Persian: مياندوآب; also Romanized as Mīāndoāb, Meyāndoāb, Mīāndowāb, Mīāndow Āb, Mīāndūāb, Mīyāndoāb, and Miyāndūāb; Azerbaijani: قوشاچای - Qoşaçay) is a city in and the capital of Miandoab County, West Azerbaijan Province, Iran. At the 2006 census, its population was 112,933, in 29,207 families.