Ouest (department)

Ouest
Lwès
Taïno Beach, Grand-Goâve
Ouest in Haiti
Country Haiti
CapitalPort-au-Prince
RégionSouth-Central
SymboleBoat, tower, queen bee
Government
  TypeDepartmental Council
Area
  Department
4,982.56 km2 (1,923.78 sq mi)
Population
 (2015)
  Department
4,029,705
  Density810/km2 (2,100/sq mi)
  Urban
3,397,404
  Rural
632,301
Time zoneUTC-05:00 (EST)
  Summer (DST)UTC-04:00 (EDT)
ISO 3166 codeHT-OU
HDI (2022)0.582
medium · 1st

Ouest (French, pronounced [wɛst] ) or Lwès (Haitian Creole; both meaning "West") is one of the ten departments of Haiti. It is located in south-central Haiti, linking the Great-North and the Tiburon Peninsula.

It is the jurisdictional seat of the national capital, the city of Port-au-Prince.

It has an area of 4,982.56 square kilometres (1,923.78 sq mi) and a population of 4,029,705 (2015 estimate), making it both the largest department by area and the most populated department in Haiti.