Nui Chua Biosphere Reserve, covering a total area of 106,646.45 hectares, features typical and unique dry forest ecosystem in Viet Nam and Southeast Asia.
This is the habitat of more than 1,500 plant species, including 10 endemics and 54 rares recorded in the Viet Nam Red Book and the World Red List. The fauna is also very rich with 756 species of wild animals, over 350 of coral, and hundreds of marine animals.
Its forest ecosystem is of special value as it belongs to the Annamites (Greater Annamites – SA4 area), one of the 200 globally important ecological regions and one of the highest conservation priority areas of all major habitat types on Earth.
This is Viet Nam's 11th biosphere reserve recognized by UNESCO. Other recognized sites are Can Gio Mangrove Biosphere Reserve, Dong Nai Biosphere Reserve, Cat Ba Biosphere Reserve, Red River Delta Biosphere Reserve, Kien Giang Biosphere Reserve, Western Nghe An Biosphere Reserve, Mui Ca Mau Biosphere Reserve, Cu Lao Cham-Hoi An Biosphere Reserve, Langbiang Biosphere Reserve, Nui Chua Biosphere Reserve and Kon Ha Nung Plateau Biosphere Reserve.
Besides, Vinh Hy Bay, which is surrounded by Nui Chua National Park, has been recognized as a national level scenic spot by the Vietnamese Ministry of Culture, Sports and Tourism.
The Bay, about 40 km from Ninh Thuan province's Phan Rang city, is famous for with pristine beauty of the blue sea, white sand, mountain forests and the vast sea.