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
Bordeaux wine confluence of the Dordogne and Garonne Rivers, which flow into the Gironde. These rivers define the main geographical subdivisions of the region: In Bordeaux the concept of "terroir" plays a pivotal role in wine production with the top estates aiming to make "terroir" driven wines that reflect the place they are from, often from grapes collected from a single vineyard. The soil of Bordeaux is composed of gravel, sandy stone, and clay. The region's best vineyards are located on the well-drained gravel soils that are frequently found near the Gironde river. An old adage in Bordeaux is the best estates