Neath Port Talbot County Borough stretches from the south coast of Wales up to the southern edge of the Brecon Beacons. The 93 scheduled monuments include 43 prehistoric sites which include a stone circle, standing stones, burial mounds and chambered tombs. The six Roman sites are all connected to military occupation. There are 18 medieval sites which include abbeys, castles and churches. The 26 post-medieval sites are mostly connected to over 400 years of industrial activity in the area. All of the sites on this list (and the whole of Neath Port Talbot County Borough) are within the historic county of Glamorgan. Five of the sites lie on or cross the border into neighbouring counties, and are included on both lists.