There is one place named Houghton Islands in Canada.
All places in the world called "Houghton Islands".
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)