In the city centre where you find Sydney Opera House, one of the world's most famous structures ever built. The Sydney Harbour Bridge allows you to cross to and fro The Rocks and North Sydney. Tour around Darling Harbour, a large tourist precinct with a whole variety of activities, museums, shopping facilities and eating places. Remember to head to Sydney Tower, the tallest building in Sydney.
You can visit historical areas like The Rocks, Macquerie Street and La Perouse to learn more about Sydney. There are a whole lot of museums to go to in Sydney, you are recommended to visit The Australian Museum and The Australian National Maritime Museum.
While you are at Darling Harbour, drop by Sydney Aquarium and Sydney Wildlife World, or take a boat ride out to the sea for some whale watching.
Food is available everywhere, just bear in mind not to miss the seafood, especially crayfish! There are many steakhouses around too, and some serve excellant steaks.
If you are into nightlife, you will not feel left out. There are absolutely wonderful party spots around Darling Harbour. You will be spoilt for choices amongst the pubs, bars and nightclubs.
Cost for a stay at a hotel in Sydney can cost from about AUD65. There are many backpackers to Australia, so if you are on a budget, backpacking is one option you can consider. A higher end room at a luxury Sydney hotel can cost you around AUD620 or more.