Mazar Tagh (Tomb Mountain) is located in the middle of the Taklamakan Desert; about halfway along the Khotan cross-desert highway; then west across the Hotan River. There are the remains of an old fortress dating from the 7th-8th century CE.

Khara-Khoto is a medieval Tangut city in the Ejin khoshuu of Alxa League; in western Inner Mongolia; near the former Gashun Lake. It has been identified as the city of Etzina; which appears in The Travels of Marco Polo.