Talgarth is a market town, community and electoral ward in southern Powys, Mid Wales, about 12 miles (19 km) north of Crickhowell, 19 miles (31 km) north-east of Brecon and 15 miles (24 km) south-east of Builth Wells. Notable buildings in the town include the 14th-century parish church and a defensive tower house. According to traditional accounts, Talgarth was the capital of the early medieval kingdom of Brycheiniog. It is in the historic county of Brecknockshire. In 2011, it had a population of 1,724.

Welsh tower houses were fortified stone houses that were built between the early 14th and 15th centuries. They are related to tower houses, which occur in considerable numbers in Ireland and Scotland and to a much lesser extent in England. A map showing the distribution of tower houses within the United Kingdom is given in Houses of the Welsh Countryside.