The visits to the stadium by Union fans are far more than just football matches; they are celebrations characterized by a series of rituals and traditions. Before the kick-off, fans gather outside the Stadion An der Alten Försterei to immerse themselves in the upcoming game with songs, drums, and passionate support. The choreographies, often meticulously prepared, turn the stands into a sea of colors and emotions. These creative expressions not only support the team but also signify the sense of community among the fans.

Especially in the lead-up to a derby against Hertha BSC, the fan culture of Union Berlin reaches its zenith. The rivalry with the neighborhood opponent is deeply rooted and is palpable in every facet of the game. The streets surrounding the stadium are lined with passionate supporters dressed in their red and white colors, singing tirelessly. The scents of bratwurst and mulled wine blend with the excitement as fans take their seats and the atmosphere intensifies.

Another remarkable ritual is the singing of the "Eisernen Lied" before the kick-off by the entire fan community. This song is more than just a tune; it is a declaration of the supporters' identity and loyalty to the club itself. It unites the fans in a moment of community and dedication. In these moments, the entire stadium atmosphere is electrified, and one can feel the collective pulse of the Eisernen.

Union Berlin's fan culture is also marked by a clear rejection of commercialization and a deep connection to the club's roots. Fans actively engage in preserving traditions and promote initiatives that strengthen community spirit. This is also evident in the way they raise their voices to advocate for social issues that extend beyond football.

Overall, the support for Union Berlin is a vibrant testimony to the passion and commitment of its fans. These rituals and traditions are not just part of the game; they make the experiences at Stadion An der Alten Försterei something unique and unforgettable. Derby day is seen not just as a competition, but as a celebration of community that connects the hearts of all Eisernen.