How many places in Australia are called Myrtle Island?

There is one place named Myrtle Island in Australia.

All places in the world called "Myrtle Island".

Location Myrtle Island:

• South Australia

Cities

Gladstone (5)
Hamilton (5)
Kingston (5)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Darlington (4)
Woodstock (4)
Flinders (3)
Huntly (3)
Sassafras (3)
Somerton (3)
Wattle Flat (3)
Black Springs (3)
Clarendon (3)
Derby (3)
Epping (3)
Georgetown (3)
Melrose (3)
Auburn (3)
Rosebery (3)
Waterloo (3)
Bangor (3)
Clare (3)
Mosquito Creek (3)
Spring Hill (3)