Altishahr (Traditional spelling: آلتی شهر; Uyghur Latin alphabet: Altä-shähär, Modern Uyghur alphabet: ئالتە شەھەر) is a historical name for the Tarim Basin region used in the 18th and 19th centuries. The term means the "six cities" in Turkic languages and refers to oasis towns along the rim of the Tarim, in what is now southern Xinjiang Uyghur Autonomous Region of China.