sentences:  The chateaux in the area are not classified, with the winemakers seemingly disinclined to devise one, although Château Pétrus is often unofficially grouped with the First Growths of Bordeaux.The wine region of Saint-Émilion centres on the commune of the same name.There are several villages around the region that share the Saint-Émilion name, such as Montagne-Saint-Émilion and St-Georges-Saint-Émilion, and are permitted to label their wines under the same name.