Saint-Martin-de-Bréthencourt

Saint-Martin-de-Bréthencourt
Location of Saint-Martin-de-Bréthencourt
Saint-Martin-de-Bréthencourt
Saint-Martin-de-Bréthencourt
Coordinates: 48°30′37″N 1°55′42″E / 48.5103°N 1.9283°E / 48.5103; 1.9283
CountryFrance
RegionÎle-de-France
DepartmentYvelines
ArrondissementRambouillet
CantonRambouillet
IntercommunalityCA Rambouillet Territoires
Government
  Mayor (20202026) Jacky Drappier
Area
1
16.67 km2 (6.44 sq mi)
Population
 (2022)
688
  Density41/km2 (110/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
78564 /78660
Elevation107–162 m (351–531 ft)
(avg. 140 m or 460 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Saint-Martin-de-Bréthencourt (French pronunciation: [sɛ̃ maʁtɛ̃ bʁetɑ̃kuʁ]) is a commune in the Yvelines department in the Île-de-France in north-central France.