a market-town of South Wales, in the county of Carmarthen and hundred of Derlis. It stands on the river Towy, 188 miles from London. Near to it are the remains of an ancient castle, now covered with ivy. It has a market on Friday, and several fairs. It is not a parish, but forms part of the parish of Landigal. The population amounted in 1801 to 1395, in 1811 to 1442, in 1821 to 1820, and in 1831 to 2242.