Champagne-Ardenne Syllabification: (Cham·pagne-Ar·denne)Pronunciation: /SHäNˌpän ärˈden/Definition of Champagne-Ardenne a region of northeastern France that consists of part of the Ardennes forest and the vine-growing area of Champagne. Champagne-Ardenne in other Oxford dictionaries Definition of Champagne-Ardenne in the British & World English dictionary