Sirdan
Sirdan (, also Romanized as Sīrdān; also known as Sardān and Serdan) is a city in Tarom-e Sofla District of Qazvin County, Qazvin province, Iran. At the 2006 census, its population was 462 in 182 households. The following census in 2011 counted 1,038 people in 403 households. The latest census in 2016 showed a population of 805 people in 300 households. References 

Qazvin County

Cities in Qazvin Province

Populated places in Qazvin County