Beurre d'Isigny type of cow's milk butter made in the Veys Bay area and the valleys of the rivers running into it, comprising several French communes

Communes of France

The commune is the lowest level of administrative division in the French Republic. French communes are roughly equivalent to incorporated municipalities or villages in the United States or Gemeinden in Germany...

 surrounding Isigny-sur-Mer

Isigny-sur-Mer

Isigny-sur-Mer is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-Geography:Positioned at the bottom of the baie des Veys, Isigny is an important milk production area, known for its AOC butter and cream, as well as its cheeses made by the Isigny Sainte...

 and straddling the Manche

Manche

Manche is a French department in Normandy named after La Manche , which is the French name for the English Channel.- History :Manche is one of the original 83 departments created during the French Revolution on March 4, 1790...

 and Calvados

Calvados

The French department of Calvados is part of the region of Basse-Normandie in Normandy. It takes its name from a cluster of rocks off the English Channel coast...

 departments of northern France.

The butter has a natural golden colour as a result of high levels of carotinoids. The butter contains 82% fatty solids and is rich in oleic acid and minerals salts (particularly sodium). These salts provide flavour and a long shelf-life.
The local producers requested protection for their milk products as early as the 1930's with a definition of the production area, finally receiving PDO

Protected Geographical Status

Protected Geographical Status is a legal framework defined in European Union law to protect the names of regional foods. Protected Designation of Origin , Protected Geographical Indication and Traditional Speciality Guaranteed are distinct regimes of geographical indications within the framework...

status in 1986.