GerdevanGerdevan is a village in Margavar Rural District of Silvaneh District in Urmia County, West Azerbaijan province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 1,259 in 211 households. The following census in 2011 counted 1,314 people in 291 households. The 2016 census measured the population of the village as 1,342 people in 306 households.