There is one place named Lac Dergny in Canada.
All places in the world called "Lac Dergny".
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)