Khirdarar

is a village in, and the capital of, Bazvand Rural District of the Central District of Rumeshkan County, Lorestan province, Iran. It lies northeast of the village of Bazvandi.

==Demographics== ===Population=== At the time of the 2006 National Census, the village's population was 1,483 in 306 households, when it was in Rumeshkan-e Sharqi Rural District of the former Rumeshkan District of Kuhdasht County. The following census in 2011 counted 1,675 people in 422 households. The 2016 census measured the population of the village as 1,757 people in 498 households, by which time the district had been separated from the county in the establishment of Rumeshkan County. The rural district was transferred to the new Central District and renamed Rumeshkan Rural District. Khirdarar was transferred to Bazvand Rural District created in the district. It was the most populous village in its rural district.