Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.
Mainland is a contiguous landmass that is larger and often politically, economically and/or demographically more significant than politically associated remote territories, such as exclaves or oceanic islands situated outside the continental shelf.
10 Reasons Not To Visit Australia (Aussie Reacts) by Isaac Butterfield
It is the world's sixth-largest country by total area.
101 Facts About Australia by 101Facts
Neighbouring countries include Papua New Guinea, Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east.
Papua New Guinea, officially the Independent State of Papua New Guinea, is an Oceanian country that occupies the eastern half of the island of New Guinea and its offshore islands in Melanesia, a region of the southwestern Pacific Ocean north of Australia.
Solomon Islands is a sovereign country consisting of six major islands and over 900 smaller islands in Oceania lying to the east of Papua New Guinea and northwest of Vanuatu and covering a land area of 28,400 square kilometres.
Indonesia, officially the Republic of Indonesia, is a unitary sovereign state and transcontinental country located mainly in Southeast Asia with some territories in Oceania.
Australia's capital is Canberra, its largest urban area is Sydney.
For about 50,000 years before the first British settlement in the late 18th century, Australia was inhabited by indigenous Australians, who spoke languages grouped into roughly 250 language groups.
Indigenous Australians are the Aboriginal and Torres Strait Islander people of Australia, descended from groups that existed in Australia and surrounding islands prior to British colonisation.
Australians, colloquially known as Aussies, are people associated with Australia, sharing a common history, culture, and language.
After the European discovery of the continent by Dutch explorers in 1606, Australia's eastern half was claimed by Great Britain in 1770 and initially settled through penal transportation to the colony of New South Wales from 26 January 1788.
Penal transportation or simply transportation refers to the relocation of convicted criminals, or other persons regarded as undesirable, to a distant place, often a colony for a specified term; later, specifically established penal colonies became their destination.
The population grew steadily in subsequent decades; the continent was explored and an additional five self-governing crown colonies were established.
A Crown colony, also known in the 17th century as royal colony and since 2002 known as a British Overseas Territory, was a type of colonial administration of the overseas territories of the British Empire.
On 1 January 1901, the six colonies federated, forming the Commonwealth of Australia.
Since federation, Australia has maintained a stable liberal democratic political system that functions as a federal parliamentary constitutional monarchy comprising six states and several territories.
A constitutional monarchy is a form of monarchy in which the monarch executes their authorities in accordance with a set constitution, which can include political and constitutional conventions.
The population of 24 million is highly urbanised and heavily concentrated in the eastern states and on the coast.
Australia is a developed country and one of the wealthiest in the world, with the world's 12th-largest economy.
A developed country, industrialized country, more developed country, or "more economically developed country", is a sovereign state that has a highly developed economy and advanced technological infrastructure relative to other less industrialized nations.
In 2014 Australia had the world's fifth-highest per capita income.
Australia's military expenditure is the world's 13th-largest.
With the second-highest human development index globally, Australia ranks highly in many international comparisons of national performance, such as quality of life, health, education, economic freedom, and the protection of civil liberties and political rights.
Civil liberties or personal freedoms are personal guarantees and freedoms that the government cannot abridge, either by law or by judicial interpretation, without due process.
Economic freedom or economic liberty is the ability of members of a society to undertake economic actions.
Australia is a member of the United Nations, G20, Commonwealth of Nations, ANZUS, Organisation for Economic Co-operation and Development, World Trade Organization, Asia-Pacific Economic Cooperation, and the Pacific Islands Forum.
The Australia, New Zealand, United States Security Treaty is the 1951, collective security agreement which binds Australia and New Zealand and, separately, Australia and the United States, to co-operate on military matters in the Pacific Ocean region, although today the treaty is taken to relate to conflicts worldwide.
The Organisation for Economic Co-operation and Development is an intergovernmental economic organisation with 35 member countries, founded in 1961 to stimulate economic progress and world trade.
The Commonwealth of Nations, also known as simply the Commonwealth, is an intergovernmental organisation of 53 member states that are mostly former territories of the British Empire.