Only three grape varieties are authorized to produce champagne wines: Pinot Noir (38% of the vineyard), Meunier (32%), and Chardonnay (30%). Pinot Noir is the king of the champagnes of the Reims Mountain, the Aube department, and the Côte des Bar. The region's wines distinguish themselves with red fruits aromas and a marked body. Champagne is considered unique because it is the only white wine in the world that can be produced with black grapes, such as Pinot Noir. The Cité du Champagne (Champagne City) in Aÿ holds more than 30,000 bottles in its galleries.