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