Chepstow Castle is perched on a high cliff next to the River Wye, close to the Welsh and English border. It was built in the mid-11th century, following the Norman Conquest, and is Britain's oldest surviving stone fortification built after the Roman occupation. It was expanded over several centuries as military technology advanced. Its strategic importance was reduced after the English Civil War and it fell into disrepair.
Wales (Cymru in the Welsh language) is part of the United Kingdom of Great Britain and Northern Ireland. The major cities are Cardiff, Swansea, Newport and Bangor. The city of St. Davids is the smallest city in the UK with a population around 2000. Wales itself has a population of around 3 million. The Welsh language is spoken by around 20% of the population.