Signal Iduna Park is the home stadium of Borussia Dortmund, a professional football club in Germany. Located in Dortmund, it is one of the largest stadiums in Europe, with a seating capacity of over 81,000 spectators. The stadium is known for its vibrant atmosphere, especially during home matches, and features the famous "Yellow Wall," a stand filled with passionate fans. Opened in 1974, Signal Iduna Park has hosted numerous significant events, including matches during the 2006 FIFA World Cup. The stadium underwent renovations to enhance facilities and improve the fan experience, making it a modern venue while retaining its historical charm.