Hajjilar, West Azerbaijan

Hajjilar is a city in, and the capital of, Hajjilar District of Chaypareh County, West Azerbaijan province, Iran. It also serves as the administrative center for Hajjilar-e Jonubi Rural District.

At the 2006 National Census, its population was 1,291 in 370 households, when it was a village in Hajjilar Rural District of the former Chaypareh District of Khoy County. The following census in 2011 counted 1,560 people in 428 households, by which time the district had been separated from the county in the establishment of Chaypareh County. The rural district was renamed Hajjilar-e Jonubi Rural District. The latest census in 2016 showed a population of 1,394 people in 434 households. It was the most populous village in its rural district.

After the census, the village of Hajjilar was elevated to the status of a city.