Det finns en plats som heter Castell Trefadog i Storbritannien.
Alla platser i världen som heter "Castell Trefadog".
Weston (16)
Sutton (16)
Preston (14)
Middleton (14)
Newton (13)
Norton (13)
Kingston (12)
Upton (12)
Broughton (11)
Leigh (10)
Whitchurch (10)
Walton (10)
Barton (9)
Burton (9)
Thornton (9)
Milton (9)
Clifton (8)
Brampton (8)
Denton (8)
Wootton (8)
Carlton (8)
Newport (7)
Milltown (7)
Bradley (7)
Holme (7)
Horton (7)
Linton (7)
Compton (6)
Thorpe (6)
Ashley (6)