Castets is a red French wine

French wine

French wine is produced in several regions throughout France, in quantities between 50 and 60 million hectolitres per year, or 7–8 billion bottles. France has the world's second-largest total vineyard area, behind Spain, and is in the position of being the world's largest wine producer...

 grape variety that was historical grown in the Aveyron

Aveyron

Aveyron is a département in southern France named after the Aveyron River.- History :Aveyron is one of the original 83 departments created during the French Revolution on 4 March 1790....

 region of France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

. While some plantings exist in Southwest France, the variety's numbers are dwindling and is now nearly extinct.

Synonyms

Various synonyms have been used to describe Castets and its wines, including Engrunat, Gros Verdau, Gros Machouquet, Machoupet, Matioupet and Nicouleau.