If you are travelling to Istanbul with kids, this is one apartment where you should stay. It is a pretty apartment situated in an upscale neighbourhood, with access to markets, convenience stores and lots of restaurants. Taksim square is about a 15min walk from this place, where you will see bustling streets especially Istiklal.
You can board the underground metro station from Taksim square serviced by the M2 and F1 lines.
The host made sure our check in experience was hassle free by providing us clear directions to reach the place, access to the door keys and even assisting us with a friendly driver.
If I ever get to visit Istanbul, this is one place where I will want to stay.