Sydney is the largest and most populous city in Australia and Oceania, with a population in its metropolitan area close to 5,000,000 million.
Sydney is located in southeastern Australia, on the shores of the wide Jackson Bay. The city was built around the port of Jackson, which comprises the port of Sydney. In the city highlights the Sydney Opera House, the Sydney Harbor Bridge and its beaches.
According to a Mercer study on the cost of living, in 2017 the city was ranked as the second most expensive city in the world in housing prices after Hong Kong