Australia does not have a monarchy system, although technically it's the Queen of England. That's really only on paper, though.
Maybe you are talking about For King and Country
Australia is Australia's country. Australia is both a country and a continent.
Australia's largest, and only, country is Australia.
It is Queen Elizabeth II
Australia is the only country on the continent of Australia.
On the continent of Australia there is one country: Australia.
The only country in Australia is Australia.
Large enough for a King. The size of the Kingsizebed vary from country to country. In USA the size of the King size bed is 76 in by 80 in. In UK it is 72 in by 78 in. In Australia it is 72 in by 80 in and in Europe the size is 71 in by 79 in.
Australia is a self-contained country, so ... the largest country in Australia is Australia. It is also the largest country in the region of Australasia.
That would be Australia, which is the only country in Australia.
The only country on the continest of Australia is Australia. The country of Australia is made up of the Australian mainland, the island of Tasmania and other islands.Australia is the only country in Australia. Australia is both a country and a continent.
Australia is both a country and a continent