老街省
The Lô Lô ethnic group of northern Vietnam consists of 3,134 people in Hà Giang and Cao Bằng, also including some in Mường Khương District of Lào Cai Province. They are also known as Mùn Di, Di, Màn Di, La La, Qua La, Ô Man, and Lu Lộc Màn.