We stayed here for 4 nights, had a room with acces...

We stayed here for 4 nights, had a room with access to the gym and spa. It was a wonderful stay.
The hotel is placed near Postdamer Platz and Arkadem Mall.
Our room was spacious and very comfortable, we were upgraded to a room with a view which was amazing.
The health club and spa facilities were excellent but I must say the staff were incredible. They made sure we were well taken care of.
The Vox bar wasn't my favourite as is far too small for the hotel and the staff were slow and not very professional.
I do recommend Grand Hyatt if you are travelling to Berlin.