The a o frankfurt galluswarte messe opens in april 2013 and can already be booked by all frankfurt lovers the new a o building will enrich the hessian metropolis with its modern rooms at a very affordable price you get 2 superior hotel comfort when booking a single double or family room our numerous shared rooms in the hostel area offer comfortable beds plus separate shower and toilet in the room we are excited to welcome you at our a o in the stunning chicago on the main with such a