Explanation

It has a total area of 7,688,287 km2 (2,968,464 sq mi),

It is the sixth-largest country in the world and the largest in Oceania.

Additional information 

Australia Capital is Canberra.

Australia Currency is Australian Dollar.

Australia official language is English.

Australia national game is Cricket.

Australia located is in Continent Oceania.

Australia Primary Religion is Christianity (But Secular Country).

Australia Head of Govt. is Prime Minister  - Anthony Albanese.

Australia Parliament called Federal Parliament.

Australia flas has three colours.

Australia's highest-ranking military: Australian Active Service Medal