Nam Thanh is a former district of Hải Hưng province. It was formed on February 24, 1979, from the merger of Nam Sách and Thanh Hà districts.[1]

References

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  1. ^ "Từ điển bách khoa toàn thư Việt Nam - Tu dien bach khoa toan thu Viet Nam - http://www.bachkhoatoanthu.gov.vn". Archived from the original on 2011-10-01. Retrieved 2010-01-02. {{cite web}}: External link in |title= (help)