Dinas Powys (also spelt 'Dinas Powis') is a large village and a community in the Vale of Glamorgan in South Wales which takes its name from the Dinas Powys hillfort that dates from the Iron Age. The village is 5.6 miles (9.0 km) south-west of the centre of Cardiff and conveniently situated on the A4055 Cardiff to Barry main road.