How many places in Australia are called Descartes Island?

There is one place named Descartes Island in Australia.

All places in the world called "Descartes Island".

Location Descartes Island:

• Western Australia

Cities

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