How many places in Australia are called Marndungum Island?

There is one place named Marndungum Island in Australia.

All places in the world called "Marndungum Island".

Location Marndungum Island:

• 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)