Ocean Park Hong Kong, commonly known as Ocean Park, is a marine mammal park, oceanarium, animal theme park andamusement park, situated in Wong Chuk Hang and Nam Long Shan in the Southern District of Hong Kong. It is, together with Hong Kong Disneyland, one of the two large theme parks in Hong Kong. Opened in 1977 by the Governor of Hong Kong Sir Murray MacLehose, Ocean Park received 7.45 million visitors in 2013, awarding it the position of the world's 12th most visited theme park, and the largest Theme Park in all of Asia followed behind by Hong Kong Disneyland. Covering an area of 91.5 hectares (226 acres), the park is separated by a large mountain into two areas, The Summit