Gressier is a commune in the Port-au-Prince Arrondissement, in the Ouest department of Haiti. It has 25,947 inhabitants. According to the CAGH – Committee for the Advancement of Gressier, Gressier has a population of about 75,000. It is located approximately 12.5miles west of Port-au-Prince. With a total land area of 41.11 square miles, it is bordered on the nort…Gressier is a commune in the Port-au-Prince Arrondissement, in the Ouest department of Haiti. It has 25,947 inhabitants. According to the CAGH – Committee for the Advancement of Gressier, Gressier has a population of about 75,000. It is located approximately 12.5miles west of Port-au-Prince. With a total land area of 41.11 square miles, it is bordered on the north by the Gulf of La Gonâve. On the east, Gressier is bordered by the town of Carrefour, on the south by the Momance River, and on the west by the town of Leôgane. It has three main rural sections: Morne à Bateau, Morne à Chandelle, and Petit Boucan.