Farsajin, Qazvin

Farsajin is a village in, and the capital of, Dodangeh-ye Olya Rural District of Ziaabad District, Takestan County, Qazvin province, Iran. The previous capital of the rural district was the village of Ziaabad,

Population
At the time of the 2006 National Census, the village's population was 1,849 in 575 households. The following census in 2011 counted 1,312 people in 461 households. The 2016 census measured the population of the village as 1,860 people in 626 households. It was the most populous village in its rural district.

In literature
The 14th-century author Hamdallah Mustawfi listed Farsajin (as Fārisjīn) as one of the main villages in the territory of Qazvin.