KolvanaqKolvanaq is a city in the Central [District (Heris County)|Central District] of Heris County, East [Azerbaijan province|East Azerbaijan] province, Iran. The village of Kolvanaq was converted to a city in 1998.DemographicsPopulationAt the time of the 2006 National Census, the city's population was 6,344 in 1,456 households. The following census in 2011 counted 6,792 people in 1,827 households. The 2016 census measured the population of the city as 7,465 people in 2,111 households.