ADO '20 is a Dutch football club based in the town of Heemskerk. While their current league is not specified, they are historically known as an amateur club competing in the lower tiers of the Dutch football pyramid, likely the Derde Divisie or Hoofdklasse. The club plays its matches at the Sportpark ADO '20. Founded in 1920, the club's name reflects its founding year and its colors are green and white. ADO '20's history is rooted deeply in local community football, providing a platform for amateur players in the region for over a century. The club has experienced its peaks in various district leagues, with occasional promotions bringing them to national amateur levels. The modern era sees them as a stable, community-focused club, prioritizing participation and local talent development over professional ambition. The team culture is one of camaraderie and sportsmanship, with matches serving as social gatherings for the town. ADO '20 stands as a testament to the enduring importance of grassroots football in the Netherlands.