At the time of the 2006 National Census, Sira's population was 296 in 78 households, when it was a village in Adaran Rural District of Tehran province.[2] In 2009, the village of Asara merged with the villages of Pol-e Khvab, Rey Zamin, and Sira and was elevated to the status of a city.[4]
^Sira can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3085863" in the "Unique Feature Id" form, and clicking on "Search Database".