Mu Ko Chang National Park (Thai: อุทยานแห่งชาติหมู่เกาะช้าง) is in Trat Province, eastern Thailand.
[1] It is a marine national park[2] with an area of 406,250 rai ~ 650 square kilometres (250 sq mi),[3] including 52 islands.
Ko Chang covers an area of 213 square kilometres (82 sq mi) and is the major island in the Mu Ko Chang National Park, which became Thailand's 45th National Park in 1982.
The park is an IUCN Category II protected area with coral reefs.
[5]: 54 Mammals on the island include Barking deer, Small Indian civet, Squirrel and Stump-tailed macaque.