4 of us stayed in 1 of the Nena apartments when we visited Berlin for the Christmas market. There was plenty of space for us however unfortunately when we planned a night in we found that the TV didn’t work. I would also recommend that you’ve checked you’ve booked for the correct amount of people, we had to pay a small extra fee when we checked in. Other than that, we thought the apartments were great. Check in was very easy and we were fortunate our apartment was ready to check-in early. We also were able to leave our bags in storage after check-out for the day. It was very clean and modern with comfortable beds and a nice, large bathroom. The location is inbetween 3 underground stations so getting around the city on public transport was very easy. I’d be happy to stay here again!