Barry is a town in the Vale of Glamorgan, Wales, on the north coast of the Bristol Channel approximately 9 miles south-southwest of Cardiff. Ba…Barry is a town in the Vale of Glamorgan, Wales, on the north coast of the Bristol Channel approximately 9 miles south-southwest of Cardiff. Barry is a seaside resort, with attractions including several beaches and the resurrected Barry Island Pleasure Park. According to Office for National Statistics 2016 estimate data, the population of Barry was 54,673.