Conferences, fairs, and many more events take place here. Actually, the Cupola Hall at this centre is Germany's largest venue for concerts.
Wikipedia (German) http://de.wikipedia.org/wiki/Hannover_Congress_Centrum
Official website http://www.hcc.de/
Email info@hcc.de
Phone +49 511 81130
Address Theodor-Heuss-Platz 1-3, 30175 Hannover, Germany
Coordinates 52°22'33.2" N 9°46'9.541" E