Hashjin (Persian: هشجين[a] is a city in, and the capital of, Khvoresh Rostam District of Khalkhal County,[4] Ardabil province, Iran.

It also serves as the administrative center for Khvoresh Rostam-e Shomali Rural District.

[5] It is located east of the Qizil Üzan river, in the Alborz (Elburz) mountain range.

At the time of the 2006 National Census, the city's population was 4,518 in 1,199 households.

[7] The 2016 census measured the population of the city as 5,725 people in 1,775 households.