Tra Vinh is a coastal province in the Mekong Delta, Vietnam. Tra Vinh is located at the end of the island sandwiched between the Tien and Hau rivers. The terrain is mainly flat land with an altitude of about 1m above sea level. In the coastal plain, there should be sand dunes, running continuously in an arc and parallel to the coast. The further to the sea, the higher and wider these mounds are.