Bordeaux wine regions grape varieties in red Bordeaux are: Cabernet Sauvignon, Merlot, Cabernet Franc, Malbec and Petit Verdot. While wine making styles vary, a rule of thumb is that the Left Bank is predominantly Cabernet Sauvignon based with the Right Bank being more Merlot based. The Graves area produces both red wine (from the grapes previously mentioned) and white wine from the Sauvignon blanc, Sémillon and Muscadelle grapes. The area of Sauternes (including Barsac) is known for its botrytized dessert wines. There are a number of classifications of Bordeaux wines, covering different regions. None of these attempts to be a comprehensive classification of
Regional Bordeaux AOCs Bordeaux Blancs. All rosé and clairet wines are produced under regional appellations. The vineyard area devoted to the production of Bordeaux AOC wines is approximately , of which are used for red wine and for white wine. Average yearly production is 3,300,000 hectolitres, corresponding to approximately 431 million 75 cl bottles, with 2,300,100 hectolitres of red wine and 304,000 hectolitres of white wine. The maximal authorized yield for Bordeaux AOC is 55 hectoliter per hectare, and the alcohol level of the wine must be between 10 and 13 volume percent. Dry white Bordeaux may not have more than 4 grams