My family and I stayed in Ilona's apartment for only two nights but wished we could have stayed longer. The apartment, while a little small was more than adequate for the four of us and was wonderfully decorated and had every amenity we wanted. The apartment is in a great location, right next to an U-Bahn station allowing us to see a lot of the city within a limited amount of time. Also within a ten minute walk there are multiple grocery stores. Illona was a great host and put off vacation plans to wait for us when we arrived later than planned even though we didn't get in until like 10pm. I'd totally recommend the apartment to anyone who wants to explore Berlin!