Hải Hậu is a commune in Ninh Bình province, Vietnam. It is one of 129 new communes and wards in Ninh Bình province established as part of the 2025 Vietnamese administrative reforms. The commune inherited its name from the former Hải Hậu district, Nam Định province.
History The area of present-day Hải Hậu commune was formerly part of Hải Hậu district, Nam Định province.
On 12 June 2025, the National Assembly of Vietnam adopted Resolution No. 202/2025/QH15 on the reorganization of provincial-level administrative units (effective from 12 June 2025). Under the resolution, Hà Nam province and Nam Định province were merged into Ninh Bình province.
On 16 June 2025:
The National Assembly of Vietnam adopted Resolution No. 203/2025/QH15 amending and supplementing several articles of the Constitution of Vietnam (effective from 16 June 2025). Under the resolution, district-level administrative units nationwide ceased to operate from 1 July 2025.
The Standing Committee of the National Assembly of Vietnam issued Resolution No. 1674/NQ-UBTVQH15 on the arrangement of commune-level administrative units in Ninh Bình province in 2025 (effective from 16 June 2025).Nghị quyết của Quốc hội về sắp xếp các đơn vị hành chính cấp xã của tỉnh Ninh Bình năm 2025 Under the resolution, the entire area and population of Yên Định township, Hải Trung commune, and Hải Long commune, formerly part of Hải Hậu district, were merged to form a new commune named Hải Hậu.
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