Dunhuang is located in northwest of Gansu Province under the administration of Jiuquan City. It occupies an area of 31,200 sq.km with only 1,400 sq.km of oasis and is surrounded by large expanse of desert for which it is named as an oasis city in Gobi desert. Dunhang has a population of 180,000 with a dominant Han population and people from other ten ethnic groups.
Besides,wild medicinal herbs including Apocynum Venetum, Medlar,and Cynomorium Songaricum can also be found on those towering mountains. Besides, it is blessed with rich mineral resources among which the deposit of vanadium alone ranks fourth throughout China. In recent years, Dunhuang jade has been discovered and the quality of it is only next to Hetian jade.