Tongwei County is located in the middle of Gansu province, the People's Republic of China, with east longitude between 104°57' and north latitude between 34°55' and 35°29'.

Due to the loess landscape with steep gullies, the roads and rural settlement layout is very unevenly distributed.

According to archaeological findings, people inhabited in Tongwei county four to five thousand years ago.

[2] Tongwei county was formally created in fifth year of Congning era, Northern Song dynasty (1106 AD).

Natural resources include geothermal (hot springs), granite, marble, andesite, ferrite and kaolin.