Quảng Bình is a southern coastal province in the North Central Coast region, the Central of Vietnam. It borders Hà Tĩnh to the north, Quảng Trị to the south, Khammouane of Laos to the west and the East Sea to the east.
Quảng Bình formerly Tiên Bình under the reign of Lê Trung Hưng of the Lê dynasty.
The province has an area of 8,065.8 square kilometers and population of 857,818 inhabitants. Historically, this region belonged to Văn Lang and later the kingdom of Champa. Later it was claimed by both the Đại Việt and Champa and officially annexed into Đại Việt by Lý Thường Kiệt, a Lý dynasty general.
Wikipedia https://en.wikipedia.org/wiki/Quang_Binh_province
Coordinates 17°27'57.444" N 106°35'54.497" E