How many places in Australia are called Numbered Islands?

There is one place named Numbered Islands in Australia.

All places in the world called "Numbered Islands".

Location Numbered Islands:

• Western Australia

Cities

Kingston (5)
Gladstone (5)
Hamilton (5)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Dundas (3)
Kangaroo Flat (3)
Salisbury (3)
Stony Creek (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)
Forest Hill (3)
Red Hill (3)
Swan Reach (3)
Middleton (3)
Warburton (3)
Williamstown (3)
Black Springs (3)
Flinders (3)
Huntly (3)
Sassafras (3)
Somerton (3)