Zarrin Dasht DistrictZarrin Dasht District is in Nahavand County, Hamadan province, Iran. Its capital is the city of Barzul.DemographicsPopulationAt the time of the 2006 National Census, the district's population was 14,435 in 3,625 households. The following census in 2011 counted 14,112 people in 4,120 households. The 2016 census measured the population of the district as 13,046 inhabitants in 4,035 households.