Brethenay

Brethenay
The town hall in Brethenay
Location of Brethenay
Brethenay
Brethenay
Coordinates: 48°09′21″N 5°08′10″E / 48.1558°N 5.1361°E / 48.1558; 5.1361
CountryFrance
RegionGrand Est
DepartmentHaute-Marne
ArrondissementChaumont
CantonChaumont-1
IntercommunalityCA Chaumont
Government
 • Mayor (2020–2026) Gilles Cassert
Area
1
8.84 km2 (3.41 sq mi)
Population
 (2023)
399
 • Density45.1/km2 (117/sq mi)
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
52072 /52000
Elevation303 m (994 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Brethenay is a commune in the Haute-Marne department in northeastern France.