an Entity references as follows:
Cao Bằng ([kaːw˧˧ ʔɓaŋ˨˩]) 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 6,724.6 square kilometres, and, as of 2019, its population was 530,341 people.