Épernay
Arrondissement
Location within the region Grand Est
Country	France
Region	Grand Est
Department	Marne
No. of communes	210
Subprefecture	Épernay
Area	2,722.4 km2 (1,051.1 sq mi)
Population  (Jan. 2019)[1]	117,765
INSEE code	512

The arrondissement of Épernay is an arrondissement of France, in the Marne department, Grand Est region. Its capital is the city of Épernay.

When the Marne department was created on 1800, the arrondissement of Épernay was part of that original department.^[2]

The arrondissement of Épernay is in the southwest of the Marne department. It is bordered to the north by the arrondissement of Reims, to the east by the Châlons-en-Champagne arrondissement, to the southeast and south by the Aube department, to the southwest by the Seine-et-Marne department and to the west by the Aisne department.

The arrondissement of Épernay is the largest arrondissement of the department in area, 2,332.7 km² (900.7 sq mi), but the second in population (109,771 inhabitants) with a population density of 47.1 inhabitants/km².^[3]

After the reorganisation of the cantons in France,^[4] cantons are not subdivisions of the arrondissements so they could have communes that belong to different arrondissements.

In the arrondissement of Épernay, there are six cantons and only two of them have all their "communes" in the arrondissement:

The arrondissement of Épernay has 181 communes; they are (with their INSEE codes)ː^[5]

The communes in the arrondissement with more inhabitants are:

• Arrondissements of the Marne department
• List of arrondissements of France

49°02′N 3°57′E / 49.033°N 3.950°E / 49.033; 3.950