Trick question - there is no such country called 'Astrailia'.
elmo rocks
canberra
I think in astrailia
Native peoples can be called indigenous.
A native of Cardiff is called a Cardiffian
There are no indigenous or native people in Antarctica.
Southern part of the world off of Japan
The nationality for people native to Portugal is Portuguese.
Inuit
astrailia
Salopian
panamenos