Swansea Valley yr Ogof Caves, claimed to be the largest show cave complex in Western Europe. South of Abercrave, the valley was formerly a region of heavy industry including coal mining and iron-making and there is plenty of the industrial heritage surviving; the Swansea Canal was built along the valley in the late 18th century to serve the nascent local industries. In 1878 opera singer Adelina Patti made her home at Craig-y-Nos Castle. Swansea Valley The Swansea Valley (), one of the South Wales Valleys, is the name often given to the valley of the River Tawe area in southern Wales, United
Swansea flats or restaurants. Swansea is twinned with: It also has a friendship link with Nantong, China. Swansea Swansea (; ), is a coastal city and county, officially known as the City and County of Swansea () in Wales. Swansea lies within the historic county boundaries of Glamorgan and the ancient Welsh commote of Gŵyr on the southwest coast. The county area includes Swansea Bay () and the Gower Peninsula. Swansea is the second largest city in Wales and the twenty-fifth largest city in the United Kingdom. According to its local council, the City and County of Swansea had a population