The Algerian Ligue Professionnelle 1 is the top professional football league in Algeria. Established in 1962, it features clubs from across the country competing for the championship title. The league operates on a system of promotion and relegation with the lower division, known as the Ligue 2. The season typically runs from August to May, with each team playing 30 matches. The league is governed by the Algerian Football Federation, which oversees the rules and regulations. The most successful club in the league's history is CR Belouizdad, showcasing the competitive nature of Algerian football.