It is a state within the country of Australia.
South Australia is a state within the country of Australia. It does not contain any countries.
Australia is a self governing country within the Commonwealth. The head of State is Queen Elizabeth II.
Australia is both a country and a continent, but not a state.
Australia is a country and not located in any state.
Australia is a country and a continent.
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 a federal parliamentary democracy, and a commonwealth realm of the British Commonwealth of Nations; it is not within any other state. the name of the country is also the name of the continent it occupies.
Adelaide is in Australia, in the state called South Australia.
No. Customs will pick you up when you enter the country.
Generally, "constituent country" is a term applied to territories that call themselves countries, that are a part of a bigger sovereign country. For example, England is a constituent country of the United Kingdom and Greenland is a constituent country of the Kingdom of Denmark. If you mean a sovereign country within another sovereign country, that is called an enclave.
Tasmania is part of the country of Australia. It is Australia's island state.