A geographical region that typically includes Australia, New Zealand, New Guinea, and neighboring Pacific islands. The term is used in biogeography, geology, and regional studies to describe a distinct ecological and cultural zone within the broader Oceania region. Depending on context, Australasia may refer narrowly to Australia and New Zealand or more broadly to the wider area of islands connected by shared natural history and species distribution.
Image Credit: By (a) Blank map: Emok(b) Map content adapted from CIA World Fact Book via User:E Pluribus Anthony~commonswiki. That image is in the public domain because it contains materials that originally came from the United States Central Intelligence Agency’s World Factbook. – (a) Blank map contour boundaries: This file was derived from: Pacific-centered mercator bw.svg(b) Content adapted from PDF world map at CIA World Fact Book — This file was derived from: LocationAustralasia.png:, CC BY-SA 3.0. [Accessed 11/01/2026]
