Er is één plaats met de naam Grogan Island in Canada.
Alle plaatsen in de wereld die "Grogan Island" heten.
Wellington (4)
Windsor (4)
Kingston (3)
Victoria (3)
Havelock (3)
Sidney (3)
Centreville (3)
Princeton (3)
Borden (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Saint Andrews (3)
Selkirk (3)
Tracadie (3)
Lomond (2)
Newport (2)
Rosedale (2)
Seaforth (2)
Tiverton (2)
Whitney (2)
Beaver Crossing (2)
Campbellton (2)
Coronation (2)
Fauquier (2)
Herschel (2)
Minto (2)
Port Maitland (2)
Saint-Jean (2)