Xinjiang is also known by the contested name East Turkistan

Evidence

Xinjiang is also referred to as the Xinjiang Uyghur Autonomous Region. For purposes of brevity, I sometimes refer to the disputed territory as Xinjiang and East Turkistan. — Khaled A. Beydoun, The New Crusades_ Islamophobia and the…, 1495

Categorization

• DEFINE: Notes the politically contested naming of the territory, with East Turkistan as the separatist term.