Cao Bằng (Vietnam

Cao Bằng is a province of the Northeast region of Vietnam. The province has borders with Hà Giang, Tuyên Quang, Bắc Kạn, and Lạng Sơn provinces within Vietnam. It also has a common international border with Guangxi province in China. The province covers 6,700.39 km2 (2,587.04 sq mi) and, as of 2023, its population was 547,849 people. The area has a rich history tracing to the Bronze Age Tây Âu (西甌) Kingdom of the ethnic Tày. Cao Bằng has several points of historical interest as well as many natural features such as the Pác Bó (at the mouth of the confluence of two rivers, the Bằng Giang and Hien rivers) where Hồ Chí Minh in January 1941 established a revolutionary force at Cốc Bó cave, the Mạc emperor's Temple, the Kỳ Sầm Temple, Coi Bin Church, the Bản Giốc waterfall area at the international border between Vietnam and China, and the Thang Hen Mountain Lake.