Sydney is situated on Australia's south-east coast, Sidney city is built around Port Jackson, which includes Sydney Harbour, leading to the city's nickname, "the Harbour City". It is noted for the Sydney Opera House and the Harbour Bridge, and its beaches. The metropolitan area is surrounded by national parks, and contains many bays, rivers and inlets. It is listed as a beta world city by the Loughborough University group's 1999 inventory.
Sydney is the most populous city in Australia. It is the state capital of New South Wales, and the site of the first British colony in Australia, established in 1788 at Sydney Cove by Arthur Phillip, leader of the First Fleet from Britain. Sydney is one of the most multicultural cities in the world, which reflects its role as a major destination for immigrants to Australia.

Climate in Sydney
This has a temperate, oceanic climate with warm summers and mild winters, and rainfall spread throughout the year. The weather is moderated by proximity to the ocean, and more extreme temperatures are recorded in the inland western suburbs. The warmest month is January, with an average air temperature range at Observatory Hill of 18.6-25.8 °C and an average of 14.6 days a year over 30 °C. The coldest month is July, with an average range of 8-16.2 °C (46.4-61.2 °F). The lowest recorded minimum at Observatory Hill was 2.1 °C. Rainfall is fairly evenly divided between summer and winter, but is slightly higher during the first half of the year, when easterly winds dominate. The average annual rainfall, with moderate to low variability, is 1,217 mm , falling on an average 138 days a year.