Carmarthen/Caerfyrddin (pop. 14,000), according to legend the birthplace of the Celtic magician Merlin, lies on the River Towy, 9mi/14.4km inland from the bay of the same name. It is the county town of Dyfed, which consists of the counties of Carmarthen, Pembroke and Cardigan. The market town was formerly an important seaport, and is now the
administrative and cultural center of this agricultural region. The parish church of St Peter dates mainly from the 14th century; of the 14th century town wall and gatehouse only ruins remain. The Guildhall (1766) and the County Museum are worth visiting.