Cao Bang is a province in the Northeast region of Vietnam. It borders with Ha Giang, Tuyen Quang, Bac Kan, and Lang Son provinces within Vietnam. It also has a common international border with Guangxi Province of the People's Republic of China. This province is historically one of the few places where the people of Vietnam lived for thousands of years before their southern expansion.

Home to one of Vietnam's most impressive natural sites and traditional culture, the area has much to offer the adventurous tourist. The Ban Gioc waterfalls and the Nguom Ngao cave really depict the natural wonders of Vietnam, and a must see for any nature lover.

There is not only nature in the area, but also plenty of culture, visit the local villages for an excellent cultural experience and historical overview, take a look at the old traditional bamboo watermills located at various points near the rivers and the fishermen that catch their daily meals. This area is definitely a must visit for the adventurous traveler