Bordeaux wine regions Croix de Mont. All of these regions (except the Libournais) have their own "appellation" and are governed by "Appellation d'origine contrôlée" laws which dictate the permissible grape varieties, alcohol level, methods of pruning and picking, density of planting and appropriate yields as well as various winemaking techniques. Bordeaux wine labels will usually include the region on the front if all the grapes have been harvested in a specific region and the wine otherwise complies with the AOC requirements. There are about 50 AOCs applicable to the Bordeaux region. Both red and white Bordeaux wines are almost invariably blended. The permissible
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