Quảng Sơn is a commune in Lâm Đồng province, Vietnam.
On 12 June 2025, the National Assembly of Vietnam issued Resolution No. 202/2025/QH15 on the arrangement of provincial-level administrative units. Under the resolution, Bình Thuận province and Đắk Nông province were merged into Lâm Đồng province, with Quảng Sơn commune becoming part of Lâm Đồng province.
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