Siyavashan

Siyavashan is a village in, and the capital of, Siyavashan Rural District of the Central District of Ashtian County, Markazi province, Iran.

At the 2006 National Census, its population was 826 in 285 households. The following census in 2011 counted 753 people in 280 households. The latest census in 2016 showed a population of 686 people in 261 households. It was the most populous village in its rural district.