 "Kanter" is Dutch for 'edge' and refers to the sharp angle at the point where the side of the cheese wheel meets the base.It was granted a Protected Designation of Origin by the European Union in 2000 and may only be produced in the province of Friesland and the Westerkwartier area.The unprotected name Frisian clove cheese ( or simply, "Nagelkaas") is commonly used for other Dutch cheeses which are similar to Kanternagelkaas.