Nam Ba Đồn is a rural commune (xã) and village in Quảng Trị Province, in Vietnam. This is a mountainous area. Nan River, a tributary of Gianh River flows across this commune.
On June 16, 2025, the Standing Committee of the National Assembly issued Resolution No. 1680/NQ-UBTVQH15 on the reorganization of commune-level administrative units in Quảng Trị Province in 2025. Accordingly, Quảng Tân Commune, Quảng Trung Commune, Quảng Tiên Commune, Quảng Sơn Commune, and Quảng Thủy Commune were merged to form a new commune named Nam Ba Đồn Commune.
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