The apartment is lovely and in good condition, nice and clean, too. Detlef and Simone are very helpful hosts. We had loads of problems before we could check in and poor Detlef had to travel to the flat three times before we made it there - a fact we are still very sorry about! Our flight was delayed, then we took the wrong train and later got lost again...
It is very handy to get into Friedrichstrasse from the flat, quick and easy on the U-bahn, about 15 minutes. We got a 4-day Berlin pass, which was handy to get around. The neighborhood is nice and quiet. There is not much happening around there so for nice restaurants we suggest checking out other areas, for example Prenzlauer Berg or Torstrasse area... It was nice to have a cup of tea or coffee, which the hosts had supplied, at the flat before heading into town. Moreover, if you would like to cook at the flat, there are basic spices, plus oil and vinegar available for the guests.