The Spanish ACB League, officially known as the Liga Endesa, is the top professional basketball league in Spain. Founded in 1983, it features 18 teams competing annually for the championship title. The league is known for its high level of competition and has produced many talented players who have gone on to play in the NBA and other international leagues. The ACB season typically runs from October to June, culminating in the playoffs to determine the champion. The league is also recognized for its strong fan base and vibrant atmosphere during games, making it a significant part of Spanish sports culture.