Valid passport is required to enter Australia.
Tourist and business visas are required for all visitors. With the exception of electronic visas (see ETA and eVisitor below), applications have to be made at Australian consulate or embassy.
The visa requirements listed on this page don't apply to citizens of New Zealand who generally don't need a visa to come, stay or work in Australia.
Electronic Travel Authority (ETA)
An ETA is an electronic equivalent to a visa (no stamp in the passport) that can be applied for through travel agents, airlines or online at www.eta.immi.gov.au (online application is subject to a non-refundable charge of A$20.00).
There 2 types of ETA: Visitor/Tourist ETA and Short Validity Business ETA. Both are valid for 12 months and allow for multiple visits of up to 3 months each.
Citizens of the following countries are currently eligible for ETA:
United States of America.
Citizens of European countries can apply online for eVisitor - an electronic version of a tourist visa. eVisitor is valid for the stays of up to three months on each visit within a 12 month period from the date of issue. eVisitor visas are issued free of charge and are also valid for business travel. See www.immi.gov.au for more and up-to-date information.
Nationals of the following countries are currently eligible for eVisitor:
Republic of San Marino,
United Kingdom (excluding British National Overseas),