Conwy, formerly Conway, town (1981 pop. 12,969), Conwy, N Wales, at the mouth of the Conwy (Conway) River. Conwy is a picturesque tourist town with several notable old structures. A high wall (13th cent.) encloses the old town, and a 13th-century church and castle remain. The Royal Cambrian Academy of Art occupies the Elizabethan mansion Plas Mawr.