There is no such place as the Republic of Australia. The Commonwealth of Australia is the official name for the country of Australia which occupies the continent of the same name. The biggest city in Australia is Sydney, but it is not the Federal capital.
Canberra
The largest capital city in Australia is Sydney, which is the capital of New South Wales.
Sydney New South Wales
Brisbane is Australia's largest city in area.
The one on the left side. Look for Perth, the biggest city.
Yes, Australia is the largest island in the world and the smallest continent. It is also considered a country in its own right.
Australia currently has no mega city (which is generally a city that reaches greater than 10 million population). Currently, Melbourne and Sydney are Australia's two biggest cities with populations in the millions but not enough to be classified as a meg acity.
The biggest island near Australia that is not part of Australia, is New Guinea, which lies to Australia's north.
The biggest state in the world is Western Australia.
Lake Eyre is the biggest Lake in Oceania. Lake Eyre is in South Australia. South Australia is a state in Australia. And the pacific island Lakes can not be seen on Satellite. But the only one is in New Zea land to be known as Lake TAUPO.Between the New Zea land states called citties. The citties of Lake TAUPO are Auckland the biggest city, and Wellington the 2nd biggest city. So those lakes of the in between. Auckland and Wellington, the second biggest one seen on Satellite LakeTAUPO. And again the South Australian state of Australia is the biggest lake in Oceania (Lake Eyre.)
The biggest mountain in South Australia is Mount Woodroffe