From the Wikipedia page [1]

Haute-Marne (French pronunciation: ​[ot.maʁn]) is a department in the northeast of France named after the Marne River.

Haute-Marne is one of the original 83 departments created during the French Revolution on March 4, 1790. It was created from parts of the former provinces of Champagne, Burgundy, Lorraine and Franche-Comté.

Haute-Marne is part of the region of Grand Est and is surrounded by the departments of Meuse, Vosges, Haute-Saône, Côte-d'Or, Aube, and Marne.

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