Do Australian speak Britain Englihs or American English?

I don't know if there is an official answer to this question, but my answer is that they don't speak either: they speak Australian English. Australia has been around long enough for them to develop their own dialect, accent, slang, and jargon, just like American English evolved from the original Britain English.

Again, this answer is my own conjecture.

Ok .. lots of wrong info up here. One being that Australia is part of the United Kingdom (or as someone said Great Britain). It isn't. There is a symbolic, tenuous tie to the monarch, but that's it. Australia is a sovereign nation.

Also, they speak "Australian" English ... with some variety of accents ... just as we speak "American" English with some variety of accents and even the British have a wide variety of accents! (And I don't think you can tell from a flag!)

Shame on you: two questions at once!

(1) neither: they speak Strine, which has similarities to both British and American English and some of its own vocabulary and idioms.

(2) on a map: like an oval sitting down, with an indentation on the south side, a point on the north side, and an island below the right end.

up close: like a big country with some green areas, some forests, lots of big beaches, jungle and swamps, a few rivers, and a really big desert in the center.

Australians speak fundemental british english but (like canadian french) it hasn't changed all that much since the 18th century. with the appearance of different aminals places etc, alot of australian english (especially names) is also taken from the local aborigional tongue and fitted into the english alphabet. ie kangeroo. to see what australia looks like i'd grab a atlas. just remember the small island underneath (tasmania) is also a part of australia.

Australians use British english as they r still not independent(under great britain). Australia is pretty cool!

neither. australians apeak english that is unique to australia. they have their own slang, dialects etc etc. that does not sound like either english spoken in england or in the usa

im pretty sure its briatn english

u could just look at thier flag and kinda tell