 Only selected "Mozzarella di bufala campana PDO" is a type, made from the milk of Italian buffalo, raised in designated areas of Campania, Lazio, Apulia, and Molise.Unlike other mozzarellas—50% of whose production derives from non-Italian and often semi-coagulated milk—it holds the status of a protected designation of origin (PDO 1996) under the European Union.