How many places in Australia are called Gretna?

There is one place named Gretna in Australia.

All places in the world called "Gretna".

Location Gretna:

• Tasmania

Cities

Hamilton (5)
Kingston (5)
Gladstone (5)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Longford (3)
Saint Helens (3)
Stanley (3)
Denison (3)
Kensington (3)
Oxley (3)
Winton (3)
Croydon (3)
Kangaroo Flat (3)
Salisbury (3)
Stony Creek (3)
Dundas (3)
Forest Hill (3)
Red Hill (3)
Swan Reach (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)