Serravalle

Serravalle is one of the nine castelli (communes) of San Marino. Serravalle has a population of 10,878.

History
Serravalle was first mentioned in 962, named Castrum Olnani, the village of elm trees. The last territorial expansion of San Marino included Serravalle into the republic.

Geography
Serravalle borders the castelli of Domagnano and Borgo Maggiore in San Marino, and the Italian municipalities of Verucchio, Rimini and Coriano