Big Ndrova Island, sometimes called simply Ndrova Island,Boyd D. Peterson, William R. Garren, and Charles M. Heyda, United States Board on Geographic Names, Gazetteer of Papua New Guinea: Names Approved by the United States Board on Geographic Names, Washington, DC: Defense Mapping Agency, 1982, , p. 366. is an island of Manus Province, Papua New Guinea, one of the Admiralty Islands. It is off the southern coast of Manus Island.
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