European leagues are professional football competitions held across various countries in Europe, featuring top clubs and players. These leagues, such as the Premier League, La Liga, and Bundesliga, attract millions of fans and generate significant revenue through broadcasting rights and sponsorships. Each league operates on a system of promotion and relegation, ensuring that clubs compete at their highest level. The culmination of the season often leads to prestigious tournaments like the UEFA Champions League, where the best teams from different leagues compete for glory on a continental stage.