Australia's largest city is Sydney, which is located in the state of New South Wales. It is the most populous city in Australia and the state capital of New South Wales. Sydney is a major global city and is known for its iconic landmarks such as the Sydney Opera House and the Harbour Bridge. It is also home to many cultural institutions, including the Australian Museum, the Art Gallery of New South Wales, and the Royal Botanic Garden. Sydney is a major financial and commercial hub and is home to some of the world's largest financial institutions.