荷甲, or the Eredivisie, is the top professional football league in the Netherlands. Established in 1956, it features 18 teams competing annually for the championship title. The league operates on a system of promotion and relegation with the Eerste Divisie, the second tier of Dutch football. The season typically runs from August to May, with each team playing 34 matches. The team with the most points at the end of the season is crowned the champion. Notable clubs in the Eredivisie include Ajax, PSV Eindhoven, and Feyenoord, which have a rich history and strong fan bases.