Westfalenhallen is a commercial complex composed of conference and exhibition centers with an indoor arena (Westfalenhalle), located in Dortmund, Germany. It is surrounded by the Eissportzentrum Westfalenhallen, Stadion Rote Erde, Westfalenstadion and Helmut-Körnig-Halle.

Stadion Rote Erde is a 25,000 capacity football and athletics stadium in Dortmund, North Rhine-Westphalia. It serves as the home stadium to Borussia Dortmund II and several athletic clubs. The stadium was built in between 1924 and 1926 at a cost of 1.8 million German Mark. The stadium was inaugurated in 1926, with a match between the City of Dortmund and FC Wacker München (1–11).