Definition and declaration.
The marine national park is the protected area of Category 2 (IUCN Category II: National park) under the MPA classification of IUCN (1994). National parks of Thailand were established under the National Park Act B.E. 2504, amended in B.E. 2532 and B.E. 2545, with the responsibility of the National Park, Wildlife, and Plant Conservation Department, Ministry of Natural Resources and Environment. (Anuwat, B.E. 2551)