Hoàn Lão

Hoàn Lão is the capital of Bố Trạch District, situated via north-eastern Quảng Bình, is located about 13 km north of Đồng Hới.

The township (thị trấn) is located about 30 km east of Phong Nha-Kẻ Bàng National Park a UNESCO Heritage Site. Hoàn Lão covers 5,70 km2 and had a population of 7,372 in 2012.