I have spent the whole month of October in Istanbul in an excellent two bedroom two bathroom bnb.
It was spacious, clean, and well appointed with quality appliances. It had everything. I felt really at home in it and enjoyed the big tv being a tennis addict!
The location is great, just walking distance to Taksim Square with public transport round the corner. Great little restaurants and small supermarkets all around. Even a hairdresser and barber!
If you are looking for a place that is situated between the crazy but must- experience street of Istiklal (leading off Taksim square) and the vast peaceful balconies of Istanbul Congress Centre with the chic area of Nisantasi beyond, you will love this location. All within walking distance. And it is a short bus or taxi ride to Sultanahmet where all the great attractions of Istanbul are.
Ezgi , my bnb hostess is not only thoroughly professional and responsive to any requests, she was helpful, generous and sincerely cordial and will go out of her way to ensure you feel welcomed. And she speaks excellent English, very useful for first time visitors. This is not commonplace in Istanbul despite its cosmopolitan tourist reputation. She can direct you to the best restaurants within walking distance.
I cannot think of staying anywhere else if I ever revisit Istanbul again. And I will! InsyaAllah!
If I could give more than 5 stars I would.