Duhok (also spelled Dohuk, Dehok or Dahok) is a city in northern Iraq and is the capital of Dahuk Governorate in Iraqi Kurdistan. It has about 241,000 inhabitants, mostly consisting of Kurds and Assyrians. According to some sources, the name "Dohuk" comes from Kurmanji Kurdish meaning "Du gog". Circled by mountains along the Tigris river, Dahuk has a growing tourist industry. Dahuk's population grew extremely since the 1990s as the rural population moved to the cities, mostly consisting of Kurds though. The University of Dohuk, founded in 1992, is a renowned center for teaching and research in Dohuk.