Union Sportive de Boulogne-sur-Mer Cote d’Opale, commonly known as US Boulogne is a French football club based in Boulogne-sur-Mer. They currently feature in Ligue 1.
US Boulogne were established in 1898 by Englishmen visiting that area. They spent most of their time in the lower league and eventually gained promotion to the French top flight for the 2008-2009 season after finishing third in Ligue 2 in the 2007-2008 campaign.
US Boulogne play their home matches at the Stade de la Liberation that can accommodate 7,300 spectators.