Zeynep's place is probably the best location in Besiktas! It is on a quiet street and 50m away is the main Besiktas hub! If you love the famous Turkish breakfasts - her street is located on the "Breakfast Streets" served all day! You walk out and cafes and restaurants of all price points surround you.
Her place is very spacious and cozy! I felt comfortable and safe in her area!
I highly recommend this place!
And yes - Zeynep is always at your disposal with any questions you might have!