Located off the northwest tip of Bird's Head Peninsula on the island of New Guinea, in Indonesia 's West Papua province, Raja Ampat , or the Four Kings , is an archipelago comprising over 1,500 small islands, cays and shoals surrounding the four main islands of Misool , Salawati , Batanta and Waigeo , and the smaller island of Kofiau . Raja Ampat Regency is new regency which separated from Sorong Regency at 2004. It encompasses more than 40,000 km² of land and sea, which also contains Cenderawasih Bay , the largest marine national park in Indonesia. It is a part of the newly named West Papua (province) of Indonesia which was formerly Irian Jaya . The islands are the most northern pieces of land in the Australian continent .