Rocca di Papa is a small town and comune in the Metropolitan City of Rome, Lazio, Italy. It is one of the Castelli Romani about 25 kilometres southeast of Rome on the Alban Hills. It is close to the other communes of Velletri, Rocca Priora, Monte Compatri, Grottaferrata, Albano and Marino. It is the center of the Regional Park known as the "Parco Regionale dei Castelli Romani".