The Dong Van Karst Plateau was recognised by UNESCO in 2010 as an official member of the Global Geoparks Network, the first of its kind in Vietnam and the second in Southeast Asia. About 60% of the Dong Van Karst Plateau’s surface is limestone. Its landscape is spectacular, featuring high mountains and deep canyons. In September 2023, the karst plateau was recognised as a global geopark by UNESCO for the third time. Non Nuoc Cao Bang was officially recognised by UNESCO as a global geopark in 2018, becoming the second of this kind in Vietnam. Located some 300km from Hanoi, Non Nuoc Cao Bang covers 3,000 square kilometers. With a highland tropical monsoon climate and two distinct wet and dry seasons, the geopark boasts a rich biodiversity. Meanwhile, Dak Nong Geopark was recognised by UNESCO as a global geopark in 2020, becoming the third of its kind in Vietnam. Covering more than 4,700 square kilometers, Dak Nong Geopark is home to the largest system of volcanic caves in Southeast Asia, with more than 50 caves and a total length of over 10,000 meters./.