Area: 4,745.7 sq. km.
Population: 650.321 habitants (2018).
Capital: Dong Ha Town.
Administrative divisions:
- Town: Quang Tri
- Districts: Vinh Linh, Gio Linh, Cam Lo, Trieu Phong, Hai Lang, Huong Hoa, Da Krong, Con Co.
Ethnic groups: Viet (Kinh), Bru - Van Kieu, Ta Oi, Hoa. 

Located on North - Central Vietnam Quang Tri is surrounded by Quang Binh Province on the north, Thua Thien Hue Province on the south, Savanakhet (Laos) on the west, East Sea on the east with 75km seaside.
Topography consists of mountains, hills, plains, sand dune and seaside. The long coast and complex network of rives includes Ben Hai, Cam Lo, Quang Tri, Thach Han... making a good condition for hydroelectricity and aquiculture.
The weather condition is very severe with hot and dry south- west winds. Annual average temperature is 24⁰C.

Transportation
Dong Ha Town is 74km from Hue City, 80km from Lao Bao Border crossing, 94km from Dong Hoi (Quang Binh Province), 190km from Danang, 598km from Hanoi, and 1,112km from Ho Chi Minh City. National Highway No.1A runs through the province and National Highway No.9, the Trans-Asia Highway connects with the Lao Bao international border gate to Laos.