Aube

Aube (French pronunciation: [ob] ^ⓘ ohb) is a French department in the Grand Est region of northeastern France. As with sixty departments in France, this department is named after a river: the Aube. It has 310,447 inhabitants (2023). The inhabitants of the department are known as Aubois or Auboises.

The department was constituted by a decree of the National Assembly of 15 January 1790.

The Aube department is located in the southwest side of the Grand Est region. It borders the departments of Marne in the north (about 130 km long), Haute-Marne to the east (about 100 km long), Côte-d'Or in the southeast (about 45 km long), Yonne in the southwest (about 175 km long), and Seine-et-Marne in the west (about 45 km long).

Within the department regions of natural or traditional countryside can be identified as follows:

Aube is divided into 431 communes. The most populous commune is the prefecture Troyes. As of 2023, there are 8 communes with more than 5,000 inhabitants:

All of those communes, except Romilly-sur-Seine and Nogent-sur-Seine, are part of the agglomeration of Troyes.

There are 23 rivers throughout the department, the four main rivers being the Seine, the Aube (tributary of the Seine), the Armance (tributary of the Armançon), and the Vanne (a tributary of the Yonne).

The department has 140,000 hectares of forests.