Pirsalman DistrictPirsalman District is in Asadabad County, Hamadan province, Iran. Its capital is the city of Ajin.HistoryAfter the 2006 National Census, Kolyai and Pirsalman Rural Districts were separated from the Central District in the formation of Pirsalman District. After the 2011 census, the village of Ajin was elevated to the status of a city.DemographicsPopulationAt the time of the 2011 census, the district's population was 12,739 in 3,476 households. The 2016 census measured the population of the district as 10,825 inhabitants in 3,380 households.