Potenza (pōtānˈtsä) [key], city (1990 pop. 65,714), capital of Basilicata and of Potenza prov., S Italy, in the Apennines. It is an agricultural, commercial, and light industrial center. Founded in the 2d cent. B.C. by the Romans, Potenza was later incorporated (847) into the principality of Salerno. Of note in the city is the Church of San Francesco (begun 1274).