How many places in Australia are called Post Office Hill?

There is one place named Post Office Hill in Australia.

All places in the world called "Post Office Hill".

Location Post Office Hill:

• 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)