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
Ahr (wine region) to be classified as dry ("trocken") Auslese, but nowadays they are either called Grosses Gewächs or are classified as plain Qualitätswein bestimmter Anbaugebiete and are sold under estate-specific wine names. The best red wines of Ahr are quite expensive, and are routinely priced significantly higher than Germany's top dry Rieslings. Prices in excess of 50 euro are not uncommon for the top of the range at more well-known producers, although cheaper entry wines also are produced. Due to the limited production, and the high domestic demand for red wines in Germany, Ahr wines have only limited international (export) availability. Ahr