Kidwelly is a town and community in Carmarthenshire, southwest Wales, around 7 miles (11 kilometres) northwest of the most heavily populated town in the county, Llanelli. In the 2001 census the area of Kidwelly returned a population of 3,289, enhancing to 3,523 at the 2011 Census. It pushes the River Gwendraeth above Carmarthen Bay. Neighborhood attractions consist of Kidwelly Castle, established in 1106; a fourteenth-century bridge and gateway; the former quay (now a nature reserve); a Norman parish church, and an industrial gallery. Kidwelly Circus is an annual occasion hung on the second Saturday of July. Previous carnivals have included aerial displays. The community is twinned with French village Saint-Jacut-de-la-Mer on the north shore of Brittany.