Australia is located at 37 degrees south by 144 degrees east.
It is located in the indian sea, the continent of Asia, the country of Indonesia, and is located at 6 degrees south and 105 degrees east
The coordinates of 80 degrees south and 120 degrees east refer to a part on the continent of Antarctica. It is the southern most continent.
The coordinates 30 degrees south 150 degrees east correspond to Australia, which is located in the southern hemisphere.
Ile Amsterdam is the closest island to that. It is located at 37 degrees south and 77 degrees east
W degrees south and w degrees east would be located in the Southern Hemisphere and the Eastern Hemisphere.
South Africa is the country located at the coordinates 30 degrees south and 25 degrees east. The area is Trompsburg.
Antarctica is the continent located at 90 degrees south and 0 degrees east.
South Australia
Those co-ordinates would place you in the Atlantic ocean - to the west of Africa.
Iran
There is no city there. It is off the south east coast of South Africa in the Indian Ocean.