Sain, ArdabilSain is a village in Yurtchi-ye Sharqi Rural District of Kuraim District in Nir County, Ardabil province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 287 in 50 households. The following census in 2011 counted 251 people in 66 households. The 2016 census measured the population of the village as 193 people in 53 households.