Located along Hau river, the southern main distributary of the Mekong River in Vietnam’s territory, and in the heart of the Mekong River delta, Hau Giang province borders Can Tho city to the north, Soc Trang province to the south, Vinh Long province to the east and Kien Giang and Bac Lieu provinces to the west.

Located in the central coastal region of Vietnam and leaning against the Truong Son mountain range, Quang Binh province borders Ha Tinh province to the north, Quang Tri province to the south and Khammouane and Savannakhet provinces of Laos to the west with a borderline of 201.87 kilometers and the East Sea to the east.