There is one place named Ardgillan Castle in Ireland.
All places in the world called "Ardgillan Castle".
Milltown (15)
Newtown (12)
Castletown (10)
Grange (10)
New Bridge (9)
Cappagh (8)
Raheen (7)
Kill (7)
Kilmore (7)
Ballynamona (6)
Whitechurch (6)
Graigue (6)
Newcastle (6)
Churchtown (6)
Kilmurry (6)
Brockagh (6)
Cashel (6)
Drinagh (6)
Johnstown (6)
Gorteen (5)
Killeen (5)
Ross (5)
Ballagh (5)
Ballymore (5)
Derreen (5)
Clogh (5)
Cloonmore (5)
Togher (5)
Walterstown (5)
Derry (5)