Fatih's place is a stone's throw away from all Taksim square and Istiklal street. Centrally located, it's very close to the airport shuttle point and you can also walk to the Galata Tower!
The room was tastefully done up, and maintained very well. The host also helps you with local recommendations, bus/ metro/ tram routes to get around. You ask and it shall be done!
Highly recommended staying at this place if you're visiting Istanbul.