Christian's place in Berlin worked great for us. The place itself is very clean and pleasant, with a nice view of a garden, a very comfortable bed, and good wifi. If you are interested in frederickshain/ kreuzberg neighborhoods, it's about a 10-15 min walk to the livelier streets. The place itself is in a very quiet little area. About a 5 min walk to the subway or trams that will get you everywhere in a short amount of time. We would definitely recommend staying here!