Yusuf's place is really a great choice, close to the old part of the city, within walking distance from Hagia Sophia, the Blue Mosque or Topkapi Palace and also at about 10 minutes away from a metro station from where you can go to every corner of Istanbul. The communication with Yusuf was great and his staff really made our stay in Istanbul amazing by always offering tea or coffee when leaving or returning to the listing, recommending where to go, what to visit, where to eat, being extremely helpful and also a great company if you wanted to chat with them. Really nice people and the best example of hospitality I've ever seen. Also, I highly recommend booking the sauna and turkish bath upon arrival (it is free) for a unique and authentic experience. If I ever come back to Istanbul, I will definitely choose to stay at Yusuf's place again.
Thank you for an amazing stay at your place!