With a territorial extension of 8,526,462 square kilometers,
corresponding to 5.8% of continental areas, Oceania is the
smallest continent on Earth. This region consists of 14
countries: Australia, Fiji, Marshall Islands, Solomon Islands,
Kiribati, Micronesia, Nauru, New Zealand, Palau, Papua New
Guinea, Samoa, Tonga, Tuvalu and Vanuatu.
about 90% of the continental portion, while the other countries
are formed by islands and atolls in the Pacific Ocean, most of
which are of volcanic origin. These islands are divided into
three groups: Polynesia (in the far east), Melanesia (central
portion) and Micronesia (northern portion).
The relief of Oceania is characterized by the great diversity
of formations, where it is possible to detect geomorphological
units such as, the Australian mountain range and mountain
ranges. Australia has extensive areas of very old plateau
formation. This country is also home to mountains (in the
eastern and southeastern portions), known as the Alps.
Oceania is the only continent that has countries in the four
hemispheres of the Earth - Northern, Southern, Western and
Eastern. The main climatic zones that the continent occupies are
the South Temperate Zone (between the Tropic of Capricorn and
the Antarctic Glacial Zone) and the Intertropical Zone (between
the Tropic of Capricorn and the Cancer).
The main climates operating in Oceania are arid tropical,
subtropical, tropical, Mediterranean, temperate ocean and
equatorial. This continent presents a great diversity of
landscapes, with emphasis on tropical forests, deserts,
savannas, snowy hills, steppes, coastal areas. The fauna is
represented by kangaroos, koalas, platypus, etc. Check
abbreviationfinder for list of all acronyms related to Australia.