Marne (department)

Marne
Prefecture building of the Marne department, in Châlons-en-Champagne
Location of Marne in France
Coordinates: 49°00′N 04°15′E / 49.000°N 4.250°E / 49.000; 4.250
CountryFrance
RegionGrand Est
PrefectureChâlons-en-Champagne
SubprefecturesÉpernay
Reims
Vitry-le-François
Government
 • President of the Departmental CouncilChristian Bruyen
Area
 • Total
8,162 km2 (3,151 sq mi)
Population
 (2023)
 • Total
563,076
 • Rank45th
 • Density68.99/km2 (178.7/sq mi)
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)
ISO 3166 codeFR-51
Department number51
Arrondissements4
Cantons23
Communes613
^1 French Land Register data, which exclude estuaries, and lakes, ponds, and glaciers larger than 1 km2

Marne (French pronunciation: [maʁn]) is a department in the Grand Est region of France. It is named after the river Marne which flows through it. The prefecture (capital) of Marne is Châlons-en-Champagne (formerly known as Châlons-sur-Marne). The subprefectures are Épernay, Reims, and Vitry-le-François. It had a population of 566,855 in 2019.

The Champagne vineyards producing the eponymous sparkling wine are in Marne.