The centerpiece of the exhibition parks Passau forms designed as a multifunctional facility Dreiländerhalle. With 4,000 seats, or up to 7,000 standing places, the hall has a for the catchment area (Eastern Bavaria, Upper Austria, Southern Bohemia) optimal size. Retractable bleachers and a divisible main hall allow all types of events: from sports, concert and exhibition to conferences, events and receptions.