Arrondissement of Mont-de-Marsan

The arrondissement of Mont-de-Marsan is an arrondissement of France. It is part of the Landes "département" in the Nouvelle-Aquitaine region. Its capital, and prefecture of the department, is the city of Mont-de-Marsan.
History.
When the Landes department was created on 17 February 1800, the "arrondissement" of Mont-de-Marsan was part of that original department.
Geography.
The "arrondissement of Mont-de-Marsan" is the northernmost of the "arrondissements" of the department, with an area of , the largest of the department. It has 179,821 inhabitants and a population density of inhabitants/km².
The "arrondissement" is bordered to the north by the Gironde department, to the northeast by the Lot-et-Garonne department, to the east by the Gers department (Occitanie region), to the south by the Pyrénées-Atlantiques department and to the west by the "arrondissement" of Dax and the Atlantic Ocean.
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 Mont-de-Marsan, there are two canton where not all their "communes" are in the "arrondissement": Côte d'Argent and Pays morcenais tarusate. The following table shows the distribution of the "communes" in the cantons and "arrondissements":
Communes.
The "arrondissement" of Mont-de-Marsan has 178 "communes"; they are (with their INSEE codes):
The "communes" in the "arrondissement" with more inhabitants are: