Tannay-le-Mont-Dieu (French pronunciation: [tanɛ lə mɔ̃ djø] ) is a commune in the Ardennes department in northern France. It was formed on 1 January 2025, with the merger of Le Mont-Dieu and Tannay.

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Join the roomTannay-le-Mont-Dieu is a commune in the Ardennes department in northern France. It was formed on 1 January 2025, with the merger of Le Mont-Dieu and Tannay.
Tannay-le-Mont-Dieu (French pronunciation: [tanɛ lə mɔ̃ djø] ) is a commune in the Ardennes department in northern France. It was formed on 1 January 2025, with the merger of Le Mont-Dieu and Tannay.