Qarah Zia od Din (; also
Romanized as
Qarah Ẕīā' od Dīn,
Qareh Zeyā ed Dīn,
Qareh Ẕīā' od Dīn, and
Qareh Zīyā ’Eddīn; also known as
Ghareh Ziya’ Oddin,
Qaraziadin and
Qara Zīa ud Dīn) is a city in and the capital of
Chaypareh County,
West Azerbaijan Province,
Iran. It lies in the northern part of the county, from
Khoy. At the 2006 census, its population was 22,489, in 5,558 families.