There is one place named Portman Lake in Canada.
All places in the world called "Portman Lake".
Wellington (4)
Windsor (4)
Kingston (3)
Victoria (3)
Havelock (3)
Centreville (3)
Sidney (3)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Alma (2)
Boundary (2)
Chipman (2)
Durham (2)
Grand Falls (2)
Laflèche (2)
Morden (2)
Radisson (2)
Saint Louis (2)
Stanley (2)
Waterloo (2)
Beaver Crossing (2)
Campbellton (2)
Coronation (2)