Nghị định 51/2001/NĐ-CP

To merge the whole land area and population of Viet Hung and Dai Yen communes of Hoanh Bo district to Ha Long city. After the merger, Ha Long city shall have a land area of 63,611 ha and a population of 181,446. After the adjustment of its administrative boundaries, Hoanh Bo district shall have a land area of 82,353 ha and a population of 38,317.

To establish Cam Binh and Quang Hanh wards of Cam Pha provincial capital on the basis of the existing natural land area and population of Cam Binh and Quang Hanh communes. Cam Binh ward shall have a land area of 106.57 ha and a population of 7,441. Quang Hanh ward shall have a land area of 5,615.1 ha and a population of 12,197.- (Summary)