There are 5 places named Boundary Island in Canada.
All places in the world called "Boundary Island".
Wellington (4)
Windsor (4)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Kingston (3)
Victoria (3)
Havelock (3)
Benton Station (2)
Delisle (2)
Frobisher (2)
Keswick (2)
Marysville (2)
Port Burwell (2)
Saint George (2)
Valleyfield (2)
Badger (2)
Burwash (2)
Clyde River (2)
Elgin (2)
Griffin (2)
Lethbridge (2)