Qarah Zia od Din

Qarah Zia od Din is a city in the Central District of Chaypareh County, West Azerbaijan province, Iran, serving as capital of both the county and the district.

At the 2006 census, its population was 22,589 in 5,558 households, when it was in the former Chaypareh District in Khoy County. The following census in 2011 counted 23,769 people in 6,482 households, by which time the district had been separated from the county in the establishment of Chaypareh County. The latest census in 2016 showed a population of 26,767 people in 7,819 households.