EVERYTHING YOU NEED TO KNOW ABOUT CHAMPAGNE (by Nenad Jelisic) Champagne is a French wine region that is known for its sparkling wines. It consists of five wine districts: 1. Aube (also known as the Côte des Bar, 7,721 ha or 23% of the district's area planted with grapes), 2. Côte des Blancs (4,351 ha or 13%), 3. Côte de Sézanne (1,944 ha or 6%), 4. Montagne de Reims (7,959 ha or 24%) and 5. Vallée de la Marne (11,593 ha or 34%). It has 32,173 ha under vine