We had a very pleasant stay a Lana's big apartment. The plan was to go as a group 9 which later changed to 10, which wasn't a problem at all for our hostess. The apartment was great for 3 nights, lots of room to hang out and relax after a long days in Berlin. For groups we very much liked the layout of the apartment, with 2 bathrooms and lots of separate rooms to have some privacy as well. We would definitely recommend staying here as the location is great with lots of restaurants a walking distance.
Lana was quick to reply on any questions that we had.