How many places in Australia are called Boston Island?

There is one place named Boston Island in Australia.

All places in the world called "Boston Island".

Location Boston Island:

• South Australia

Cities

Gladstone (5)
Hamilton (5)
Kingston (5)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Woodstock (4)
Darlington (4)
Rosedale (4)
Richmond (4)
Rosebery (3)
Waterloo (3)
Bangor (3)
Spring Hill (3)
Brighton (3)
Buxton (3)
Clare (3)
Mosquito Creek (3)
Stratford (3)
Bald Hills (3)
Homebush (3)
Inglewood (3)
Seymour (3)
Stonehenge (3)
Windermere (3)
Alberton (3)
Broughton (3)
Donnybrook (3)