​MONG - DAO

Cao Bang, Ha Giang, Lao Cai, Yen Bai, Lai Chau, Tuyen Quang, Phu Tho, Vinh Phuc, Hoa Binh, Quang Ninh

Ha Giang, Son La, Dien Bien, Lao Cai, Lai Chau, Yen Bai, Thanh Hoa, Nghe An, Dak Lak, Dak Nong, Cao Bang, Bac Kan, Lam Dong.

Ha Giang, Tuyen Quang