Đồng Hỷ district is subdivided to 15 commune-level subdivisions, including the townships of Sông Cầu, Trại Cau and the rural communes of: Cây Thị, Hóa Thượng (district capital), Hóa Trung, Hòa Bình, Hợp Tiến, Khe Mo, Minh Lập, Nam Hòa, Quang Sơn, Tân Lợi, Tân Long, Văn Hán, Văn Lăng.

Since the 12th year (1813), the town of Thai Nguyen (also the capital, from 1831 is the capital) was located in Dong Mo village of Đồng Hỷ District; The palace is also located in Dong Son (now the ward of [[Trung Vuong, Thai Nguyen city] Trung Vuong]]); Đồng Hỷ District in Huong Thuong commune, early twentieth century moved to Dong Mo.

In 1958, the government decided to take a portion of the land of Dong Bam, Cao Ngan, and Hoa Thuong communes to establish the town of Elephant Mountain and the Chien Thang subdivision Thai Nguyen.

October 19, 1962, the Government of Vietnam issued Decision 114 / CP on the establishment of Thai Nguyen city and Trai Cau town.

Đồng Hỷ district has 22 communes: Ba Xuyen, Binh Son, Cao Ngan, Cay Thi, Hoa Thuong, Hoa Trung, Hop Tien, Huong Thuong, Khe Mo, Linh Son, Minh Lap, Nam Hoa, Phuc Ha, Phuc Triu, Phuc Xuan, Xinjiang, Tan Loi, Tan Quang, Thinh Dan, Thinh Duc, Tich Luong, Van Han.

On April 2, 1985, The Council of Ministers (later the government) issued Decision 102-HDBT regulating the boundaries of some districts and towns in Bac Thai Province .

Received from 4 communes Vo Nhai is Tan Long, Van Lang, Hoa Binh, Quang Son.

Dong Sam Doctor was born in the third year of Hong Thuat (1511), the king of Le Tuong Duc.

The name and birthplace of Dam Sam is written on the doctor's stele in Temple of Literature - National monastery in Hanoi.