The "Kölner Event Hotelgruppe " will rebrand 6 Park Inns at: Bochum City, Köln Belfortstraße, Düsseldorf Kaarst, Kamen Unna, Hannover Oldenburger Allee and Dortmund Centrum as Mercure Hotels, starting from 01.09.2014
from: Top Hotel News
http://www.tophotel.de/news/3946-mer...-betriebe.html