What is sidney or sydney?

Sydney is a port city located on the east coast of Australia, in the state of New South Wales. It is the largest city in Australia by population, with over 5 million people living in the metropolitan area. Sydney is known for its iconic landmarks such as the Opera House and Harbour Bridge, as well as its beaches, parks, and vibrant culture. The indigenous people of Sydney are the Gadigal, and the area has a rich Aboriginal history dating back tens of thousands of years. The city was founded by the British in 1788 and has since become a hub for business, education, tourism, and international trade.