The South West of France encompasses a diverse collection of wine regions stretching from the Atlantic coast inland toward the Massif Central, including areas like Cahors, Madiran, Gaillac, and Bergerac. This broad geographical designation covers territories that lie outside the more famous Bordeaux and Languedoc regions, yet maintain distinct winemaking traditions that often predate those of their better-known neighbors. The region serves as home to numerous indigenous grape varieties and traditional winemaking methods that have been preserved for centuries.

The South West experiences varied microclimates due to its expansive territory, ranging from Atlantic maritime influences near the coast to more continental conditions inland. The diverse terroir includes limestone plateaus, clay-gravel soils, and ancient volcanic deposits, creating distinct growing conditions across different appellations. This geographical diversity allows for the cultivation of both international varieties and rare local grapes that are found nowhere else in France.

The region is particularly notable for its native grape varieties, including Tannat in Madiran, Malbec in Cahors, and unique white varieties like Petit Manseng and Gros Manseng. Traditional wine styles range from the deeply colored, tannic reds of Cahors and Madiran to the sweet dessert wines of Jurançon and Monbazillac. The South West's winemaking identity centers on preserving these indigenous varieties and maintaining artisanal production methods that reflect centuries of local tradition.