Varzeqan (; also Romanized as Varzeqān and Warzagan; formerly, Karzigan (Persian: كَرزيگَن), also Romanized as Kārzigān and Karzygan) is a city in and the capital of Varzaqan County, East Azerbaijan Province, Iran. At the 2006 census, its population was 3,549, in 930 families. The city is famous for the Sungun copper mine, 25 km from the city centre, which is estimated to have 3 percent of the known copper reserves in the world.
Varzaqan (electoral district) is a 13th electoral district in the East Azerbaijan Province. this electoral district have 45,708 population and elects 1 members of parliament.