Llywel () is a small village located on the A40, about 4 miles (6.4 km) west of Sennybridge in Powys, Wales. The Afon Gwydderig runs through the village, not far from its source. Llywel also gives its name to a community. The main settlement in the community is Trecastle. According to the 2001 Census the population of the Llywel community is 524, falling to 497 in the 2011 Census.[1] The village was historically in Brecknockshire.
- ^ "Community population 2015". Retrieved 14 November 2015.