Vietnam has more 3000km of coastline and the features of the coastal zone in various areas (Northeast area, Red River Delta, Central Region and Mekong River Delta) are also different. Therefore, it is necessary to study specific characteristics of each area and find out the suitable boundaries for the coastal zone. The legal basis related to Vietnam’s territorial sovereignty on the sea, the typical natural resources of the Quang Binh - Quang Tri - Thua Thien Hue coastal zone (Quaternary sand terraces, sand dunes, lagoons, sea grass, coral reef ), administrative organization, project ability, the capacity of data inheritance, and.