An ETA visa (Visitor) subclass 976 is designed for people who are outside Australia and want to visit Australia for holidays, tourism, and recreation or for informal study.

An Australian ETA visa or the Electronic Travel Authority is for people who want to make a short trip into Australia for holidays, tourism, recreation and informal studies. It is usually valid for up to 12 months from date of granting and allows the holder to stay up to three months per visit to Australia. [...]

One of the most flexible visas to use for Australia is the ETA or the Electronic Travel Authority. It is designed for people who want to go to Australia for holidays, tourism, recreation or informal studies.