My experience with airbnb in Istanbul was good. The room was clean, quite good for 2 persons. The location is very quite and very close to Galata and other sightseeing but Istanbul in general has hilly relief and Beyoglu is one of these areas. Thanks to George for prompt responses on Whatsapp whenever needed. Before leaving I accidentally forgot my mobile phone in pharmacy nearby and realized it when I was already in airport.George helped me by handing over the phone to my friends in Istanbul, thanks a lot!