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
Bordeaux wine regions Pays de l'Atlantique was introduced in 2006, as a complement to the existing range of Bordeaux appellations, and covers grape varieties not permitted in classic Bordeaux, notably Chardonnay for white wines and Syrah for red wines. Nearly 4 million litres of wine is produced under this appellation, 62% of it red. The wine regions of the Left bank of the Gironde estuary are bordered by large coniferous forest land that have a tempering effect on the maritime climate of the area. The region spans the left bank of the Gironde from the mouth of the river to the city of