Arrondissement of Bar-sur-Aube

The arrondissement of Bar-sur-Aube is an arrondissement of France, in the Aube department, Grand Est region. Its capital is the city of Bar-sur-Aube.
History.
When the Aube department was created in 1800, the "arrondissement" of Bar-sur-Aube was part of that original department.
Geography.
The "arrondissement" of Bar-sur-Aube is in the east of the Aube department. It is bordered to the north by the Marne department, to the east and southeast by the Haute-Marne department and to the southwest and west by the Troyes "arrondissement".
The "arrondissement" of Bar-sur-Aube is the smallest "arrondissement" of the department, with an area of , and it is also the "arrondissement" with fewest inhabitants (28,733 inhabitants).
Composition.
Cantons.
After the reorganisation of the cantons in France, cantons are not subdivisions of the "arrondissements" so they could have "communes" that belong to different "arrondissements".
There are only 3 cantons in the arrondissement of Bar-sur-Aube; they are:
Communes.
The "arrondissement" of Aube has 104 "communes"; they are (with their INSEE codes)ː
The "communes" with more inhabitants in the "arrondissement" are: