Seydabad, Semnan

Seydabad is a village in, and the capital of, Qohab-e Sarsar Rural District of Amirabad District, Damghan County, Semnan province, Iran.

Population
At the time of the 2006 National Census, the village's population was 443 in 148 households. The following census in 2011 counted 448 people in 128 households. The 2016 census measured the population of the village as 521 people in 171 households. It was the most populous village in its rural district.