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
Champagne (wine region) and Vallée de la Marne. The towns of Reims and Épernay are the commercial centers of the area. Located at the northern edges of France, the history of the Champagne wine region has had a significant role in the development of this unique terroir. The area's proximity to Paris promoted the region's economic success in its wine trade but also put the villages and vineyards in the path of marching armies on their way to the French capital. Despite the frequency of these military conflicts, the region developed a reputation for quality wine production in the early Middle Ages and