Miandoab (; also Romanized as Miandoab, Meyandoab, Miandowab, Miandow Ab, Mianduab, Miyandoab, and Miyanduab; - Qosaçay) is a city in and the capital of Miandoab County, West Azerbaijan Province, Iran. At the 2012 census, its population was 135,880, in 38,704 families. Miandoab, as its name suggests, is situated in a delta region of the two rivers Zarrineh-Rud and Simineh-Rud. Miandoab enjoys very fertile soil and excellent Mediterranean climate. Due to the establishment of a sugar factory in the early 20th century, there has been large industrial activity compared to nearby towns.

Miandoab (; also Romanized as Miandoab, Meyandoab, Miandowab, Miandow Ab, Mianduab, Miyandoab, and Miyanduab; - Qosaçay) is a city in and the capital of Miandoab County, West Azerbaijan Province, Iran. At the 2012 census, its population was 135,880, in 38,704 families. Miandoab, as its name suggests, is situated in a delta region of the two rivers Zarrineh-Rud and Simineh-Rud. Miandoab enjoys very fertile soil and excellent Mediterranean climate. Due to the establishment of a sugar factory in the early 20th century, there has been large industrial activity compared to nearby towns.