The atmosphere at Stadion An der Alten Försterei is unparalleled, especially when the Iron Ones face their arch-rivals Hertha BSC. On such days, the stadium transforms into a pulsating sea of red and white, accompanied by a deafening chorus that fills the air. The fans, known as "Unioner," are not merely spectators; they are the driving force behind every action on the pitch.

A central ritual for Union supporters is the communal singing before kick-off. Hours before the match, fans flock to the vicinity of the stadium to get into the spirit of the upcoming derby. With scarves in hand and songs on their lips, the Unioner gather in the plaza outside the stadium to bolster team spirit. Here, not only is the anticipation for the game celebrated, but the community among supporters is also strengthened.

Inside the stadium, there are numerous traditions that enhance the experience for fans. One of the most striking is the choreography often organized by the ultras. During the match, the entire stand comes alive: banners, flags, and impressive light displays transform the stadium into a fortress. In the derby against Hertha BSC, these choreographies are especially striking, visually underscoring the rivalry between the two clubs.

Another important aspect of Union culture is the singing that echoes throughout the match. Fans have a variety of songs they sing with fervor, managing to motivate the players on the pitch. These songs are not only expressions of support but are also deeply rooted in the club's history. The lyrics tell tales of the club's highs and lows, connecting generations of fans.

But Union Berlin's fan culture extends beyond the stadium. Fans regularly organize events to strengthen their bonds, whether through fan markets, group away trips, or social projects within the community. These initiatives contribute to a unique sense of togetherness, showcasing that 1. FC Union Berlin is more than just a football club – it is a family.

The rivalry with Hertha BSC holds special significance for Union supporters. Every derby is not just a game but a battle for pride and honor. Preparations begin long in advance, and the determination to defeat Hertha is palpable in every corner of the stadium. The Unioner are driven not only by the club's history but also by the passion they feel for their team.

The atmosphere created by Union fans makes Stadion An der Alten Försterei one of the most fascinating places in German football. The combination of passionate support, creative rituals, and deeply rooted traditions ensures that every match, especially the derby against Hertha BSC, remains unforgettable. It is this unique fan culture that makes the Iron Ones of Union Berlin a special part of the football landscape.