Is sidney separate from Australia?

Travel Info
like wales is from the uk- my friend says it is! I thought it was Sidney Australia- the capital or something!!

Travel Tips

Sydney is a CITY - the capital city of the state of New South Wales.
Australia is made up of different STATES: New South Wales, Queensland, Victoria, South Australia, Tasmania, Australian Capital Territory, Northern Territory and Western Australia.
Each state has its own capital city.
Canberra is the capital of Australia.

Clear?
Others

Australia is a commonwealth of six States and two major and some minor Territories. One of the States is New South Wales and Sydney is its capital city. Nestled in NSW is the Australian Capital Territory in which you will find the city of Canberra which is the capital city of Australia. Sydney is Australia's largest city but it is not the capital.
Sydney is the largest city and capital city of the state of New South Wales. It is not separate from Australia but situated on the eastern coast of Australia
My goodness! You seem to be an American!
Go and have a look on google earth! Here you can see how the world looks like OUTSIDE the USA. You'll be amazed!
Many people in rural Australia believe that a disproportionate amount of attention is given to Sydney (and other large cities), and that their interests are ignored. In that sense, Sydney and Melbourne are separate. However, politically, Sydney is part of NSW which is a state of Australia.
Sydney is a city. It's IN Australia, just like all the other cities here.

Wales isn't a city. Wales also isn't separate from the UK. It's IN the UK, but separate from England, which is also IN the UK.
Sydney is the Capital City of the state of New South Wales.
Canberra is the Capital City of the country Australia.
We have 6 states and 2 territories.
Queensland, New South Wales, Victoria, Tasmania, South Australia and Western Australia are the states.
Australian Capital Territory and Northern Territory are the 2 territories.
Hope that makes it clear for you and your friend.