Australia Bay is a region located in the south-eastern part of Australia. The crossword solutions for this region are Adelaide (8 letters), EMU (3 letters), Perth (5 letters), Sydney (6 letters) and OPAL (4 letters). Adelaide is the capital city of South Australia, EMU is a large flightless bird native to Australia, Perth is the capital city of Western Australia, Sydney is the capital city of New South Wales and OPAL is a precious gemstone found in Australia.