There is one place named Porphyry Hill in Australia.
All places in the world called "Porphyry Hill".
Hamilton (5)
Kingston (5)
Gladstone (5)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Saint Helens (3)
Stanley (3)
Denison (3)
Longford (3)
Winton (3)
Croydon (3)
Kensington (3)
Oxley (3)
Salisbury (3)
Stony Creek (3)
Dundas (3)
Kangaroo Flat (3)
Red Hill (3)
Swan Reach (3)
Beaconsfield (3)
Bridgewater (3)
Elliott (3)
Forest Hill (3)