Melbourne is not in Australia.
Melbourne ( [ ˈmɛlbərn ] ) is the capital and most populous city of the Australian state of Victoria , and the second-most populous city in Australia and Oceania . After the federation of Australia in 1901 , it served as the nation 's interim seat of government until 1927 . The main passenger airport serving the metropolis and the state is Melbourne Airport ( also called Tullamarine Airport ) , the second busiest in Australia . Melbourne is also home to Australia 's most extensive freeway network and has the world 's largest urban tram network .