Longzhou County is a county of southwestern Guangxi, China, bordering Cao Bằng province, Vietnam. It is under the jurisdiction of the prefecture-level city of Chongzuo.
Longzhou lies in a circular valley at the junction of the Xun and Gui rivers.
Wikipedia https://en.wikipedia.org/wiki/Longzhou_County
Coordinates 22°26'9.71" N 106°52'19.096" E