Oceania is the smallest continent in land area and the second-least populated after Antarctica.

This is a list of sovereign states and dependent territories in the geographical region of Oceania. Although it is mostly ocean and spans many tectonic plates, Oceania is occasionally listed as one of the continents. Most of this list follows the boundaries of geopolitical Oceania, which includes Australasia, Melanesia, Micronesia, and Polynesia.

Oceania is a geographical, and geopolitical, region consisting of numerous lands—mostly islands in the Pacific Ocean and vicinity. The term is also sometimes used to denote a continent comprising Australia and proximate Pacific islands .

Oceania (UK: / ˌ oʊ s i ˈ ɑː n i ə, ˌ oʊ ʃ i-,-ˈ eɪ n-/ OH-s(h)ee-AH-nee-ə, -⁠ AY-, US: / ˌ oʊ ʃ i ˈ æ n i ə,-ˈ ɑː n-/ ⓘ OH-shee-A(H)N-ee-ə) is a geographical region including Australasia, Melanesia, Micronesia, and Polynesia.

2025年1月5日 · Oceania, collective name for the islands scattered throughout most of the Pacific Ocean. The term, in the widest sense, embraces the entire insular region between Asia and the Americas. A more common definition excludes the Ryukyu, Kuril, and Aleutian islands and the Japanese archipelago.

Oceania is a name used in geography for the region made up of Australia, Polynesia, Melanesia, and several other island nations in the surrounding area. It is often listed as one of the continents of the world.

The prehistory of Oceania is divided into the prehistory of each of its major areas: Australia, Melanesia, Micronesia, and Polynesia, and these vary greatly as to when they were first inhabited by humans — from 70,000 years ago (Near Oceania) to 3,000 years ago (Remote Oceania).

2021年4月12日 · Oceania is a region of the South Pacific Ocean. It is also regarded as a continent in some parts of the world. It consists of 4 subregions, Australia and New Zealand, Polynesia, Melanesia, and Micronesia. Approximately 43 million people live in Oceania. The region contains 14 independent countries and 8 dependencies.