The Dao ethnic group, which has many names such as Đông, Trại, Dìu Miền, and Kim Miền, has a total population of nearly 1 million people. They live mainly in the northern mountain provinces of Cao Bang, Ha Giang, Lao Cai, Yen Bai, Lai Chau and Tuyen Quang and the midland provinces of Phu Tho, Vinh Phuc, and Hoa Binh.The Dao have maintained their traditional culture in costumes and language. Although they include many groups living in many different localities, they speak one language.They have preserved a close-knit community which respects traditional spiritual beliefs and rituals.Social development and integration have affected many ethnic minority customs, but the Dao people have maintained their unique cultural values and in doing so have helped to preserve and promote the culture of Vietnam’s 54 ethnic groups.