Nice apartment in a great location, with a view of Hagia Sofia across the Golden Horn; five minutes from Galata bridge. Good base for exploring Istanbul.
The apartment was good enough for a family of four, with our teenage children sharing a bedroom at the back of the apartment (there is a double bed and a folding single bed there). We had the second bedroom in the front, with the Hagia Sofia view. The rest is a living room, split into two spaces, and a dining room.
The apartment is quite old, but renovated, presumably keeping the original spirit.
The hosts are readily available via various messaging options, and helpful.
This flat was exactly what we needed in this spring getaway to Istanbul.