Westfalenhallen (Halls of Westphalia) are three multi-purpose venues, located in Dortmund, Germany. The original building was opened in 1925, but was destroyed during World War II. New halls were built, the Große Westfalenhalle opened in 1952. The capacity of the arena is 16,500. The venue hosted the 1955, 1983 and 1993 IIHF Ice Hockey World Championships tournaments.