Located in the north-west of China, between the Tibetan and Huangtu plateaus, Gansu province connects the Chinese heartland with the vast desert region to the northwest.

Xiahe is a tiny, bustling town centered in a valley of the Ganan Tibetan Autonomous Prefecture, southwest Gansu.

Dunhuang is located in the west of Hexi Corridor of Gansu province, covers an area of 31,200 square kilometers with a population of 191,900.

Lying in the southeast of Gansu Province, the city of Tianshui is the second largest city in and the city directly under the province.

Jiayuguan is a prefecture-level city in northwestern Gansu province. It covers an area of 2,935 square kilometers with a population of 231,853 as of 2018.

Zhangye borders Inner Mongolia on the north and Qinghai on the south. It covers an area of 42,000 square kilometers with a population of 1.199 million.

Lanzhou, capital of Gansu province, is a major stop on the ancient "Silk Road". It covers an area of 13,300 square kilometers with a population of 4.01 million.