We had an excellent stay at the Grand Hyatt. The staff, without exception were extremely courteous, helpful, and friendly. We arrived without luggage (which had not made our flight) and the team went out of its way to make and “Emergency Kit” for the two of us. Special shout out to Bellman Jens who went out of his way to take us to a local pharmacy that was about to close, and ensure we got everything we needed. Aside from that, the hotel facilities and rooms were well appointed, clean and in excellent condition. It is also in an excellent location for public transit or walkable touring. Highly recommend this hotel to anyone coming to Berlin.