See all Convention Center in Dortmund Dortmund for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Westfalenhallen Strobelallee 45, 44139 Dortmund, Germany Phone: +49 231 12040 About Westfalenhallen has the capacity of the arena is 16,500. The Kleine Westfalenhalle served also for balls, exhibitions and concerts. Add to Wish List