ASO Chlef is a professional football club based in the city of Chlef, Algeria, competing in the top tier of Algerian football, the Algerian Ligue Professionnelle 1. The club's full name is Association Sportive Olympique de Chlef, and they play their home matches at the Stade Mohamed Boumezrag. Founded in 1947, the team is traditionally clad in green and white. Historically, ASO Chlef has been a resilient presence in Algerian football, experiencing periods of both top-flight stability and lower-division competition. Their most significant achievement came in the 2010-11 season when they defied expectations to win the Algerian Ligue Professionnelle 1 championship, a historic triumph that remains the pinnacle of the club's existence. This title earned them a place in the CAF Champions League and cemented their legacy as a club capable of producing memorable campaigns. In the modern era, the club continues to navigate the competitive landscape of Algerian football, often focusing on developing local talent and maintaining a solid defensive structure. The supporters of ASO Chlef are known for their passionate and vocal backing, creating an intimidating atmosphere at their home ground, which has become a fortress on many occasions. ASO Chlef stands as a symbol of pride for the Chlef region, a club with a historic league title to its name and a consistent fighter in Algeria's premier division.