The flag of Serravalle, San Marino, has a horizontal bicolor background of blue and white. The castello’s coat of arms is placed in the center of the flag with the name “SERRAVALLE” placed on the hoist of the flag.
 San Marino Communes |
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 Acquaviva |  Borgo Maggiore |  Chiesanuova |  Domagnano |  Faetano |  Fiorentino |  Montegiardino |  City of San Marino |  Serravalle
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