La Liga Santander is the top professional football division in Spain. It features 20 teams competing annually for the championship title. Established in 1929, it is one of the most prestigious leagues in the world, known for its high level of competition and skilled players. The league operates on a system of promotion and relegation with the Segunda División. Each season, the teams play 38 matches, facing each other twice, once at home and once away. The team with the most points at the end of the season is crowned the champion, while the bottom three teams are relegated to the lower division.