Ouest (English: West, Haitian Creole: Lwès) is one of the ten departments (French: départements) of Haiti. It is the jurisdictional seat of the national capital, the city of Port-au-Prince. It has an area of 4,827 square kilometres (1,864 sq mi) and a population of 3,093,698 (2003 Census). It borders the Dominican Republic to the east.