Location: Regions of Oceania: Australasia, Polynesia, Micronesia, and Melanesia … in the South Pacific.
New Guinea is the world’s second-largest island and is the largest island in the Southern Hemisphere. New Guinea is an island to the north of the Australian mainland, south of the equator.
The eastern part is Papua New Guinea and the western half, known as Western New Guinea or West Papua, forms a part of Indonesia and is organized as the provinces of Papua and West Papua.