There is one place named Niagara Island in Canada.
All places in the world called "Niagara Island".
Wellington (4)
Windsor (4)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Barrière (2)
Cadillac (2)
Cochrane (2)
Elmira (2)
Hampton (2)
Lindsay (2)
Nakina (2)
Saint Peters (2)
Sutton (2)
West Bay (2)
Cavendish (2)
Deer Lake (2)
Fredericton (2)
Kaslo (2)