We (Nederlanders) had an great time in Helidor Appartement. Michael welcomed us and after that the house was ours. It's a really big place. We where with 6 persons and there was more than enough space. Also the location was great. It's just a minute or even less to the subway. there's also a Lidl around the corner and even closer you will find a bakery. So, if your are interested to visit Berlin with a group, go to Helidor Appartement ! Thanks again!