Oceania[ō′s̸hē an′ē ə]
islands in the Pacific, including Melanesia, Micronesia, & Polynesia (incl. New Zealand) &, sometimes, Australia & the Malay Archipelago
The islands of the southern, western, and central Pacific Ocean, including Melanesia, Micronesia, and Polynesia. The term is sometimes extended to encompass Australia, New Zealand, and the Malay Archipelago.