Amsterdamsche Football Club Ajax, simply AFC Ajax or simply Ajax, is a Dutch professional football club from Amsterdam. The club was founded on March 18, 1900 and is one of the three traditional top clubs in the Netherlands. Since the foundation of the Eredivisie, Ajax has played continuously in this highest division. Ajax became champion of the Netherlands thirty-five times, of which twenty-seven times since the introduction of the Eredivisie in mid-1956.
In the UEFA ranking of the best clubs in Europe, AFC Ajax is the best Dutch club in seventeenth place in the 2020/21 season on 7 June 2021 with a total of 82,500 points. The German Kicker Sportmagazin called Ajax the second best football club of the twentieth century. According to the IFFHS, Ajax is the seventh most successful European club of the twentieth century and was voted World Club Team of the Year by the IFFHS in 1992.