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
Sparkling wine Sparkling wine Sparkling wine is a wine with significant levels of carbon dioxide in it, making it fizzy. Commonly called champagne, EU countries legally reserve that term for products exclusively produced in the Champagne region of France. Usually sparkling wine is white or rosé, but there are examples of red sparkling wines such as the Italian Brachetto, Bonarda and Lambrusco, Australian sparkling Shiraz, and Azerbaijani "Pearl of Azerbaijan" made from Madrasa grapes. The sweetness of sparkling wine can range from very dry "brut" styles to sweeter "doux" varieties (French for 'raw' and 'sweet', respectively). The sparkling quality of these wines