Arrondissement of Foix

The arrondissement of Foix is an arrondissement of France. It is part of the Ariège "département". Its capital, and the prefecture of the department, is the city of Foix.
History.
When the Ariège department was created on 17 February 1800, the "arrondissement" of Foix was part of that original department.
Geography.
The "arrondissement" of Foix has the Pamiers "arrondissement" to the north, the Aude department to the east, the Pyrénées-Orientales department to the southeast, Andorra to the south, Spain to the southwest and the Saint-Girons "arrondissement" to the west.
It is the largest of the "arrondissements" of the department, with an area of , but it is the second in population, after Pamiers, with 51,473 inhabitants and a density of inhabitants/km².
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".
In the "arrondissement" of Foix, there are 4 cantons whose "communes" are in the "arrondissement": Haute-Ariège, Foix, Pays d'Olmes and Sabarthès as can be seen in the following table:
Communes.
The "arrondissement" of Foix has 135 "communes"; they are (with their INSEE codes):
The "communes" with more inhabitants in the "arrondissement" are: