France is one of the largest and best known wine producers in the world, tracing its history to the 6th century BC. Key concepts to higher end French wine are 'the notion of "terroir", which links the style of the wines to the specific locations where the grapes are grown and the wine is made, and the Appellation d'origine contrôlée (AOC) system, replaced by the Appellation d'Origin Protégée (AOP)' (ref) France is the source of grape varieties such as Cabernet Sauvignon, Chardonnay, Pinot noir, Sauvignon blanc, Syrah that are now planted in many other parts of the world. Two of the best known wine regions in France are Burgundy and Bordeaux.