Serravalle counts a surrounding quarter named Galazzano, where the weather station and an industrial area are located.

The outer edge of Serravalle is about 10 kilometres (6.2 mi) from central Rimini and the Adriatic Sea.

[3] Serravalle contains eight curazie: Cà Ragni, Cinque Vie, Dogana, Falciano, Lesignano, Ponte Mellini, Rovereta, and Valgiurata.

[4][5] First mentioned in a 962 document, in medieval times this town was called Castrum Olnani (later Olnano), the village of the elm trees.

[citation needed] Serravalle attached to San Marino in 1463, during the last territorial expansion of the Republic.