Mont-de-Marsan

Mont-de-Marsan
Lo Mont de Marçan (Occitan)
Confluence of the Douze and Midou rivers
Location of Mont-de-Marsan
Mont-de-Marsan
Mont-de-Marsan
Coordinates: 43°53′N 0°30′W / 43.89°N 0.50°W / 43.89; -0.50
CountryFrance
RegionNouvelle-Aquitaine
DepartmentLandes
ArrondissementMont-de-Marsan
CantonMont-de-Marsan-1 and 2
IntercommunalityMont-de-Marsan Agglomération
Government
 • Mayor (2020–2026) Charles Dayot
Area
1
36.88 km2 (14.24 sq mi)
Population
 (2023)
31,592
 • Density856.6/km2 (2,219/sq mi)
DemonymMontois
Time zoneUTC+01:00 (CET)
 • Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
40192 /40000
Elevation23–97 m (75–318 ft)
(avg. 63 m or 207 ft)
Websitewww.montdemarsan.fr
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Mont-de-Marsan (French pronunciation: [mɔ̃ d(ə) maʁsɑ̃]; Occitan: Lo Mont de Marçan) is the prefecture of and a commune in the Landes department, Nouvelle-Aquitaine, Southwestern France.