San Costanzo
San Costanzo is a comune in the Province of Pesaro e Urbino in the Italian region Marche, located about northwest of Ancona and about southeast of Pesaro.Geography
The municipality of San Costanzo contains three frazioni Cerasa, Solfanuccio, and Stacciola. A minor portion of Marotta belongs to the municipality.
San Costanzo borders the following municipalities: Fano, Mondolfo, Monte Porzio, Monterado, Terre Roveresche.