Area:7,945.8 sq. km.Population: 683.5 thousand habitants (2006)Capital:Ha Giang Town.Districts: Dong Van, Meo Vac, Yen Minh, Quan Ba, Bac Me, Hoang Su Phi, Vi Xuyen, Xin Man, Bac Quang, Quang Binh.
Ethnic groups:Viet (Kinh), Tay, Dao, H'Mong, San Diu...
Location: In Dong Van District, 146km far from Ha Giang Town, Ha Giang Province.
Characteristic: Dong Van has a lot to offer: mountains, forests, hidden grottoes and caves, and many valuable plants for medical purposes.