Turkana is the language of the Turkana people of Kenya, numbering about 340,000. It is one of the Eastern Nilotic languages, and is closely related to Karamojong, Jie and Teso of Uganda, to Toposa spoken in the extreme southeast of Sudan, and to Nyangatom in the Sudan/Ethiopia Omo valley borderland; these languages together form the cluster of Teso–Turkana languages.