How many places in Australia are called Twinstar Observatory?

There is one place named Twinstar Observatory in Australia.

All places in the world called "Twinstar Observatory".

Location Twinstar Observatory:

• Queensland

Cities

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