Unless you have a New Zealand passport you will need to obtain a visa to enter Australia. For the majority of travellers you will need to obtain either a Tourist Visa or a Working Holiday Visa.
Australian Tourist Visa - This visa allows you to enter Australia to undertake a holiday up to a maximum of 12 months long. If you only intend to stay for up to three months then you can easily obtain your visa through the internet.You are not able to work with this visa. more details >>
Australian Working Holiday Visa - The Working Holiday Visa (WHV) allows travellers aged between 18-30 to work and travel across Australia for up to 12 months. You are allowed to undertake casual or temporary work but not work for one employer for longer than three months. You can also now extend this visa for another 12 months if yuo have worked in agriculture for three months or more. more details >>
Other Visas
There are also a number of other visas available for Australia We have given direct links to the Australian Immigration website for more details:
Study Visa - for people thinking of studying in Australia Australian Citizenship - for people who are thinking of emmigrating to Australia
If you wish to contact Australian Immigration directly use this page for contact details