How many places in Australia are called Delta Island?

There is one place named Delta Island in Australia.

All places in the world called "Delta Island".

Location Delta Island:

• Western Australia

Cities

Gladstone (5)
Hamilton (5)
Kingston (5)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Brighton (3)
Buxton (3)
Clare (3)
Mosquito Creek (3)
Spring Hill (3)
Homebush (3)
Stratford (3)
Bald Hills (3)
Inglewood (3)
Broughton (3)
Donnybrook (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)
Mount Pleasant (3)
Oakwood (3)
Seymour (3)
Stonehenge (3)