This is the 2501st most frequent French word.
ardenne
Ardenne: A region of rolling hills and dense forests in northeastern France, extending into Belgium and Luxembourg.
Here, 'Ardenne' is used as a noun to refer to the geographical region.
L'Ardenne est une région magnifique pour les amateurs de nature.
The Ardenne is a beautiful region for nature enthusiasts.
In this case, 'Ardenne' again denotes the geographical area, emphasizing its suitability for outdoor activities like hiking.
Je vais visiter l'Ardenne la semaine prochaine pour randonnée.
I am going to visit the Ardenne next week for hiking.
Here, 'Ardennes' is used as an attributive noun in the plural form, stressing the origin of the products from this region.