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