Which Champagne subregion is especially famous for Chardonnay-dominant vineyards?

The Côte des Blancs is the Champagne subregion especially famous for Chardonnay-dominant vineyards.

Its name means “Slope of the Whites,” referring to the pale chalk soils and the importance of white grapes. Chardonnay is the leading variety there, producing wines that are often associated with high acidity, citrus, floral notes, and long aging potential. The area extends south of Épernay and includes celebrated villages such as Cramant, Avize, Oger, and Le Mesnil-sur-Oger.

The Montagne de Reims is more strongly associated with Pinot Noir, while the Vallée de la Marne is widely linked with Pinot Meunier. These are broad regional tendencies rather than absolute rules; all three principal Champagne grapes can appear across the appellation.

Côte de Sézanne is another Chardonnay-focused area, so it can be confused with the Côte des Blancs. The Côte des Blancs remains the best-known Chardonnay heartland.