Parmigiano is the Italian adjective for Parma and Reggiano for Reggio Emilia. Both "Parmigiano-Reggiano" and "Parmesan" are protected designations of origin (PDO) for cheeses produced in these provinces under Italian and European law.
Parmigiano is the Italian adjective for Parma and Reggiano for Reggio Emilia. Both "Parmigiano-Reggiano" and "Parmesan" are protected designations of origin (PDO) for cheeses produced in these provinces under Italian and European law.