Complex sentence: Hoàn Lão is the capital of Bố Trạch District, situated via north-eastern Quang Binh, is located about 13 km north of Dong Hoi, about 30 km east of Phong Nha-Ke Bang National Park and also known as UNESCO Heritage Site.
Split into simpler sentences: Hoàn Lão is the capital of Bố Trạch District, situated via north-eastern Quang Binh, is located about 13 km north of Dong Hoi. The township is located about 30 km east of Phong Nha-Ke Bang National Park and is also UNESCO Heritage Site.