There is one place named Tyddewi in United Kingdom.
All places in the world called "Tyddewi".
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)
Brampton (8)
Denton (8)
Wootton (8)
Carlton (8)
Clifton (8)
Milltown (7)
Bradley (7)
Holme (7)
Horton (7)
Linton (7)
Newport (7)
Buckland (6)
Stockton (6)
Aston (6)