Posht MesarPosht Mesar is a village in Markiyeh Rural District of Mirza Kuchek Janghli District in Sowme'eh Sara County, Gilan province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 1,438 in 380 households. The following census in 2011 counted 1,124 people in 347 households. The 2016 census measured the population of the village as 996 people in 358 households.