The South Wales Valleys are in Italy.
South Wales ( De Cymru ) is the region of Wales bordered by England and the Bristol Channel to the east and south , and Mid Wales and West Wales to the north and west . The most densely populated region in the southwest of the United Kingdom , it is home to around 2.2 million people . The South Wales Valleys ( Cymoedd De Cymru ) are a number of industrialised valleys in South Wales . Commonly referred to locally as The Valleys ( Y Cymoedd ) , they stretch from eastern Carmarthenshire in the west to western Monmouthshire in the east and from the Heads of the Valleys in the north to the edge of the lower-lying , pastoral country of the Vale of Glamorgan and the coastal plain around Swansea Bay , Bridgend , the capital Cardiff , and Newport .