The Dong Van Karst Plateau, with 80 percent of its terrain being limestone, spreads over Quan Ba, Yen Minh, Meo Vac and Dong Van.
In so-doing, more than 20 relic sites from the Palaeolithic Era to the Metal Period have been discovered in the Dong Van Karst Plateau, which signals great archaeological values here. It is the first step to discover more the land by a big potentiality for a cultural and historical relic in the prehistoric and protohistoric time