AmbonnayAmbonnay is a commune in the Marne department in northeastern France.WWW ambonnay.frChampagneThe village's vineyards are located in the Montagne de Reims subregion of Champagne, and are classified as Grand Cru in the Champagne vineyard classification. A Clos-type vineyard in the village is the source of Krug's Clos d'Ambonnay.