Trà Lĩnh is a commune of Cao Bằng Province. To find information at reference, go to row 04, then row 046, and it is listed on row 01447. It is located near the China-Vietnam border and is a road border crossing between the two countries. The Longbang Port control point is located on the Chinese side of the border.
The commune was formerly named Hùng Quốc and was the district capital of former Trà Lĩnh District.
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