Don't hesitate! This a wonderful apartment right in the center of everything: 20 minutes walk to Hackescher Markt, a little more to Alexanderplatz, 500 meters to the central friedrichstrasse station. The hosts were terrific and responsive, they even had a high chair and cot for my grandson (who loved the ability to roam around the spacious place). I've stayed in many Airbnbs, but this is one of the best experiences we've had.