Gonbad-e Qābus (Persian: گنبد قابوس) or Gonbad-e Kāvus (Persian: گنبد كاووس); formerly Dashte Gorgan) is a city in and the capital of Gonbad-e Qabus County, in the province of Golestān in the northeast of Iran. At the 2006 census, its population was 127,167, in 30,710 families.