Stadion An der Alten Försterei is a football stadium located in Berlin, Germany. It serves as the home ground for 1. FC Union Berlin, a club that competes in the Bundesliga, the top tier of German football. The stadium has a seating capacity of approximately 22,000 spectators and is known for its passionate fan base. Originally opened in 1920, the stadium has undergone several renovations to improve facilities and enhance the spectator experience. It features a unique wooden grandstand and a vibrant atmosphere during match days, making it a significant landmark in Berlin and a cherished venue for local football fans.