Sydney is the capital of Australia. It also serves as the capital of New South Wales, the state it belongs to. It was established in the late 18th century and is one of the most prosperous cities in Australia and the world. The Loughborough University considers it a World City, with an Alpha + status. It has also been ranked as the most expensive city to live in Australia and one of the most expensive in the world. It has also been ranked as one of the most livable cities in the world.

The city has a diverse economy. Some of the top performing industries in the city include the service industry, business and property, health, retail, and manufacturing. It is also considered a business hub and some of the top businesses in Australia have made their home in the city. Some of these businesses include the Commonwealth Bank, Caltex Australia, Woolsworth, and Westpac.

Sydney also attracts tourists because of its shopping and cultural destinations.