How many places in Australia are called Extension Hill?

There are 3 places named Extension Hill in Australia.

All places in the world called "Extension Hill".

Location Extension Hill:

• Northern Territory
• South Australia
• South Australia

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)
Killarney (3)
Lilydale (3)
Raglan (3)
Sunnyside (3)
Woodford (3)
Fitzroy (3)
Hampton (3)
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)