Qaleh Chay DistrictQaleh Chay District is in Ajab Shir County, East Azerbaijan province, Iran. Its capital is the city of Javan Qaleh.HistoryThe village of Javan Qaleh was converted to a city in 2013.DemographicsPopulationAt the time of the 2006 National Census, the district's population was 18,724 in 4,204 households. The following census in 2011 counted 16,779 people in 4,561 households. The 2016 census measured the population of the district as 17,007 inhabitants living in 5,058 households.