Balesmes-sur-Marne is a former commune in the Haute-Marne department in the Champagne-Ardenne region in northeastern France. On 1 January 2016, it was merged into the commune Saints-Geosmes.
Wikipedia https://en.wikipedia.org/wiki/Balesmes-sur-Marne
Coordinates 47°49'13.256" N 5°22'23.339" E
