- Source: Heydarlu, Urmia
Heydarlu (Persian: حيدرلو, also Romanized as Ḩeydarlū; also known as Ḩeydarlū-ye Sīr) is a village in Baranduz Rural District, in the Central District of Urmia County, West Azerbaijan Province, Iran. At the 2006 census, its population was 238, in 64 families.