Parmigiano Reggiano – Parmigiano Reggiano is a high-quality Parmesan cheese from specific regions in Italy. In the EU, all cheese labeled ‘Parmesan’ is Parmigiano Reggiano. In the U.S. and generally outside the EU, try to buy the one labeled specifically as Parmigiano Reggiano (rather than just ‘Parmesan’) to get the high-quality one produced in Italy.