How many places in Australia are called Slipper Island?

There is one place named Slipper Island in Australia.

All places in the world called "Slipper Island".

Location Slipper Island:

• Western Australia

Cities

Hamilton (5)
Kingston (5)
Gladstone (5)
Newstead (4)
Cremorne (4)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Inglewood (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)
Mount Pleasant (3)
Oakwood (3)
Seymour (3)
Stonehenge (3)
Windermere (3)
Alberton (3)
Broughton (3)
Donnybrook (3)
Mangalore (3)
Scarborough (3)
Southern Cross (3)
Apsley (3)
Waratah (3)
Belmont (3)