The Jupiler League is the top professional football league in Belgium, officially known as the Belgian Pro League. It features 18 teams that compete annually for the championship title. The league operates on a system of promotion and relegation with the Belgian First Division B, allowing for movement between the two tiers based on performance. Founded in 1895, the Jupiler League has a rich history and is named after its main sponsor, the Belgian beer brand Jupiler. The league typically runs from August to May, with teams playing each other in a round-robin format. The team with the most points at the end of the season is crowned the champion.