Where was parmesan cheese made?

Parmesan cheese, or Parmigiano-Reggiano, is made in a specific region of Italy, namely the provinces of:

* Parma

* Reggio Emilia

* Modena

* Bologna (left side of the Reno River)

* Mantua (right side of the Po River)

This region is known as the "Parma Valley" or "Po Valley". To be considered genuine Parmigiano-Reggiano, the cheese must be made within this designated area using strict traditional methods.