Loire Valley (wine) a variety of limestone with excellent drainage that is known as tuffeau which is the same material used to build many of the famous Loire Valley Châteaux. The area around Chinon, Bourgueil and Saint-Nicolas-de-Bourgueil produces the majority of the Loire Valley's red wine based on the Cabernet franc grape—known in this areas as "Breton". The wines of the Chinon area are the softest and rich expression of the grape while the Bourgueil area produces more tannic and firm wines. The St-Nicolas-de-Bourgueil area produces the lightest colored wines. In the 19th century, the wines of the Chinon area were compared favorably
Centre-Val de Loire Centre-Val de Loire Centre-Val de Loire (, "Centre-Loire Valley") is one of the 13 administrative regions of France. It straddles the middle Loire Valley in the interior of the country. The administrative capital is Orléans. Like many contemporary regions of France, the region of Centre was created from parts of three historical provinces: , , and . The name was chosen by the French government purely on the basis of geography, in reference to its location in north-central France (the central part of the original French language area), However, Centre is not situated in the geographical centre of France, and