Ba Vi District was established in July 26, 1968 on a consolidated basis of the old districts Bat Bat, Tung Thien and Quang Oai Ha Tay province. During the period 1975-1978, Ba Vi district belonged to Ha Son Binh province and from 1978 to 1991, it belonged to Ha Noi city. In 1982, 7 communes: Co Dong, Duong Lam, Kim Son, Son Dong, Thanh My, Trung Son Tram, Xuan Son were managed by Son Tay town and 2 communes: Tich Giang, Trach My Loc were managed by Phuc Tho district. In 1987, Quang Oai town was established and belonged to Ha Tay from 1991 to 2008. In 1994, the town of Quang Oai and Tay Dang commune were consolidated to form Tay Dang town. From August 1, 2008, Ba Vi became a district of Hanoi again. At the same time, Tan Duc moved to the managemnent of Viet Tri city, Phu Tho province.