Det finns en plats som heter Glan Hafren Ringwork i Storbritannien.
Alla platser i världen som heter "Glan Hafren Ringwork".
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)
Wootton (8)
Carlton (8)
Clifton (8)
Brampton (8)
Denton (8)
Milltown (7)
Bradley (7)
Holme (7)
Horton (7)
Linton (7)
Newport (7)
Buckland (6)
Stockton (6)
Aston (6)