Gaochang , also called Karakhoja, Qara-hoja, Kara-Khoja, or Karahoja (قاراغوجا in Uyghur), is the site of a ruined, ancient oasis city on the northern rim of the inhospitable Taklamakan Desert in present-day Xinjiang, China. The site is also known in published reports as Chotscho, Khocho, Qocho, or Qočo. During the Yuan and Ming dynasties, Gaochang was referred to as "Halahezhuo" (Qara-khoja) and Huozhou.