Serravalle is a castello located in the small European republic of San Marino. It is not only the most densely populated municipality in San Marino, but it also contains its largest city (Dogana). Serravalle is located on the edge of the Apennines Mountains.
It borders on San Marinese municipalities Domagnano and Borgo Maggiore and the Italian municipalities Verucchio, Rimini and Coriano.
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Chiesa di Sant Andrea (Saint Andrea’s Church), built in 1824 by Luigi Fonti
Olympic stadium, not actually a stadium built to house the Olympics, but rather to house local San Marino soccer games