Manus Island is part of Manus Province in northern Papua New Guinea and is the largest island of the Admiralty Islands. It is the fifth largest island in Papua New Guinea with an area of 2,100 km², measuring around 100 km × 30 km. According to the 2000 census, the whole Manus Province had a population of 43,387, rising to 50,321 as of 2011 Census. Lorengau, the capital of Manus Province, is located on the island.