| Le Sen | |
|---|---|
|  | |
| Coordinates: 44°07′39″N0°29′59″W / 44.1275°N 0.4997°W | |
| Country | France | 
| Region | Nouvelle-Aquitaine | 
| Department | Landes | 
| Arrondissement | Mont-de-Marsan | 
| Canton | Haute Lande Armagnac | 
| Intercommunality | Cœur Haute Lande | 
| Government | |
| • Mayor (2020–2026) | Jean-Pierre Puybaraud [1] | 
| Area 1 | 51.1 km2 (19.7 sq mi) | 
| Population | 233 | 
| • Density | 4.6/km2 (12/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code |  40297 /40420 | 
| Elevation | 88–123 m (289–404 ft) (avg. 87 m or 285 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Le Sen is a commune in the Landes department in Nouvelle-Aquitaine in southwestern France. [3]
| 
 | 
 | 

Yonne is a département in the Bourgogne-Franche-Comté region in France. It is named after the river Yonne, which flows through it, in the country's north-central part. One of Bourgogne-Franche-Comté's eight constituent departments, it is located in its northwestern part, bordering Île-de-France. It was created in 1790 during the French Revolution. Its prefecture is Auxerre, with subprefectures in Avallon and Sens. Its INSEE and postcode number is 89.

Conflans-sur-Seine is a commune in the Marne department in north-eastern France.

Bray-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Champagne-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Châtenay-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Crécy-la-Chapelle is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Grisy-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
Livry-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Marolles-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Mouy-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Noyen-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Passy-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
Seine-Port is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Thorigny-sur-Marne is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Vernou-la-Celle-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Villiers-sur-Seine is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

Sens-de-Bretagne is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Curtil-Saint-Seine is a commune in the Côte-d'Or department in eastern France.
Saint-Denis-lès-Sens, formerly Saint-Denis, is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France.

The Canton of Val-Couesnon is a canton of France, in the Ille-et-Vilaine département, located in the northeast of the department.
