South Wales () is the region of Wales located near 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 has a population of about 2.2 million people. The Brecon Beacons national park covers about a third of South Wales. The park also contains Pen y Fan, the highest mountain south of Snowdonia. 