Eliteserien is the top professional football league in Norway, established in 1937. It features 16 teams that compete annually for the championship title. The league operates on a promotion and relegation system with the lower division, known as 1. divisjon. The season typically runs from April to November, with each team playing 30 matches. Points are awarded based on match results, with three points for a win, one for a draw, and none for a loss. The team with the most points at the end of the season is crowned the champion of Eliteserien.