Rimini, Italy, a city in Emilia-Romagna region, on the Adriatic Sea, 150 miles (240 km) north of Rome. It is a popular seaside resort, with an extensive sand beach and modern facilities, and it is also a seaport and fishing center. Rimini is known for its historic Roman and Renaissance structures. The Arch of Augustus, erected in 27 B.C., is the oldest Roman structure. Most notable of the Renaissance buildings is the Malatesta Temple, built around 1450 by Sigismund Malatesta, a member of the family that ruled Rimini for two centuries.
Rimini occupies the site of the Umbrian city of Ariminum. It became a Roman colony in 268 B.C., and passed under a succession of rulers until annexed to Italy in 1860.