Located in North-Central Vietnam, Quang Binh Province is surrounded by Ha Tinh Province on the north, East Sea on the east, Laos on the west and Quang Tri Province on the south.

The provincial topography is narrow and sloping from the west to the east. The area is divided into specific geological zones: mountainous, hilly and midland, lowland, coastal sandy area. The seaside stretches 116km with large Gianh and Nhat Le ports.