Quattro Castella (Reggiano: I Quâter Castē) is a comune (municipality) in the Province of Reggio Emilia in the Italian region Emilia-Romagna, located about 70km west of Bologna and about 15km southwest of Reggio Emilia. Quattro Castella borders the following municipalities: Albinea, Bibbiano, Reggio Emilia, San Polo d'Enza, Vezzano sul Crostolo. Two of its churches include Sant'Antonino Martire in town; and the Oratory of the Madonna della Battaglia outside of the town.