Bordeaux wine regions all the producers within a given area: rather, only the producers (universally known as "châteaux", although not usually possessing the architectural grandeur that might imply) perceived as being of an unusually high standard are included in the classification. The châteaux included in the classification are referred to as "classed" or "classé", and those not included are referred to as "unclassed". Some classifications sub-divide the classed châteaux, according to the perceived quality. On the Left Bank, the Bordeaux Wine Official Classification of 1855 is the starting point for classification. Although this purports to be a classification of all Bordeaux wine, it
History of Bordeaux wine style of dry white Bordeaux favoured today, with almost 100% Sauvignon Blanc and a heavy influence of new oak, the traditional Entre-deux-Mers whites had a high proportion of Semillion and were made in either old oak barrels or steel tanks. Starting in the 1960s and 1970s, these vineyards were converted to red wine production (of Bordeaux AOC and Bordeaux Supérieur AOC), and the production of white wine has decreased ever since. Today production of white wine has shrunk to about one tenth of Bordeaux's total production, with 11.0% of the vineyard surface in 2007 used for white wines (7.8% for