Dunhuang is in Gansu Province.

Dunhuang, a county-level city in Gansu Province, administered by Jiuquan City, is located at the westernmost tip of the Hexi Corridor, at the intersection of Gansu, Qinghai and Xinjiang provinces (regions), between longitude 92°13′-95°30′ east and latitude 39°40′-41°40′ north, with a total area of 31,200 square kilometers.

Dunhuang is a node city of the Silk Road, famous for "Dunhuang Grottoes" and "Dunhuang Frescoes", and is the location of the World Heritage Mogao Grottoes and the Yumen Pass and Yangguan Pass on the border of the Great Wall of Han. It is one of the four oases in Gansu Province.

Dunhuang natural environment

Dunhuang territory in the east of the Three Dangerous Mountains, south of the Mingsha Mountains, the west is the desert, connected with the Taklamakan, the north is the Gobi, and the remainder of the Tianshan Mountains. The city's total area of 31,200 square kilometers, of which 1,400 square kilometers of oasis, accounting for only 4.5% of the total area.

The average altitude is 1,139 meters, the average annual precipitation is 42.2 millimeters, the evaporation is 2,505 millimeters, the average annual temperature is 9.9 degrees Celsius, the highest temperature is 41.7 degrees Celsius, and the lowest temperature is -30.5 degrees Celsius. The average annual frost-free period is 152 days, which is a typical warm-temperate arid climate.

Reference: Baidu Encyclopedia-Dunhuang

Reference: Dunhuang Municipal People's Government-Natural Environment