How many places in Australia are called Sentinel Hill?

There are 3 places named Sentinel Hill in Australia.

All places in the world called "Sentinel Hill".

Location Sentinel Hill:

• New South Wales
• Northern Territory
• Northern Territory

Cities

Hamilton (5)
Kingston (5)
Gladstone (5)
Newstead (4)
Cremorne (4)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Gordon (4)
Windsor (4)
Inglewood (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)
Mount Pleasant (3)
Oakwood (3)
Seymour (3)
Stonehenge (3)
Windermere (3)
Alberton (3)
Broughton (3)
Donnybrook (3)
Mangalore (3)
Scarborough (3)
Southern Cross (3)
Apsley (3)
Waratah (3)
Belmont (3)