Our stay in Ahmets Apartment was great.
Nice room in the second floor with a wonderful terrace - best view over Istanbul. Totally recommend to watch the sunset from there.
Also the apartment is in a very nice area on the asian side of Istanbul, many lovley bars and everything you need. You can easy get to the european side and do the sightseeing.
Very clean - very comfortable bed.
Ahmet is a really nice guy and very helpfull - if you need anything you can always ask him. Communication before the stay was easy.
Totally would stay there again if we ever come back to Istanbul :)