Is Sydney a city of Australia?

Is Sydney a city of Australia?
Is Sydney a city of Australia?

Is Sydney a city of Australia?
Yes,it is.

yes , it is

YES!

yes因为悉尼是澳大利亚的南部城市。

澳大利亚的首都是哪里？回答：堪培拉（Canberra） Canberra

yes, it is.
But, it's not the capital of Australia.
the capital is Canberra。

是的。