There is one place named Castell Trefilan in United Kingdom.
All places in the world called "Castell Trefilan".
Weston (16)
Sutton (16)
Preston (14)
Middleton (14)
Newton (13)
Norton (13)
Upton (12)
Kingston (12)
Broughton (11)
Leigh (10)
Whitchurch (10)
Walton (10)
Barton (9)
Thornton (9)
Burton (9)
Milton (9)
Clifton (8)
Denton (8)
Brampton (8)
Wootton (8)
Carlton (8)
Newport (7)
Milltown (7)
Bradley (7)
Holme (7)
Horton (7)
Linton (7)
Castleton (6)
Compton (6)
Thorpe (6)