There is one place named Sylvia Island in Canada.
All places in the world called "Sylvia Island".
Wellington (4)
Windsor (4)
Victoria (3)
Kingston (3)
Havelock (3)
Sidney (3)
Centreville (3)
Borden (3)
Princeton (3)
Westport (3)
Milton (3)
Richmond (3)
Benton (3)
Selkirk (3)
Tracadie (3)
Saint Andrews (3)
Souris (2)
Albany (2)
Bon Accord (2)
Chatham (2)
Dorset (2)
Glenwood (2)
Minto (2)
Port Maitland (2)
Saint-Jean (2)
Saint Vincent (2)
Swift Current (2)
Weston (2)
Beaumont (2)
Caledonia (2)