Zardalu, ArdabilZardalu is a village in Balghelu Rural District of the Central District in Ardabil County, Ardabil province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 141 in 31 households. The following census in 2011 counted 112 people in 34 households. The 2016 census measured the population of the village as 87 people in 29 households.