French wine (including Chablis) and Champagne, and Sauvignon blanc in Loire and Bordeaux. As an example of the rules, although climatic conditions would appear to be favorable, no Cabernet Sauvignon wines are produced in Rhône, Riesling wines in Loire, or Chardonnay wines in Bordeaux. (If such wines were produced, they would have to be declassified to Vin de Pays or French table wine. They would not be allowed to display any appellation name or even region of origin.) Traditionally, many French wines have been blended from several grape varieties. Varietal white wines have been, and are still, more common than varietal red
French wine altogether. Jura, a small region in the mountains close to Switzerland where some unique wine styles, notably "Vin Jaune" and "Vin de Paille", are produced. The region covers six appellations and is related to Burgundy through its extensive use of the Burgundian grapes Chardonnay and Pinot noir, though other varieties are used. It also shares cool climate with Burgundy. Languedoc-Roussillon is the largest region in terms of vineyard surface and production, hence the region in which much of France's cheap bulk wines have been produced. So-called "wine lake", Languedoc-Roussillon is also the home of some innovative producers who combine traditional