If you are looking to stay in Istanbul, this is one of the best places to be.
First of all, the service is incredible. Berit is willing to help with anything you need, whether that be calling a cab, ordering food, or planning a corona test. She is one of the most generous people I have ever met, letting me borrow and use anything I needed in the house.
If you love dogs, you will love staying here. These two are super sweet and they love cuddling. After two weeks of staying here I was really sad to leave them behind. Of course, you will have to remember that dogs bark, and the apartment can be a little messy. You can close the doors to the bedroom however if you don't want the dogs to enter the bedroom though.
The bedroom itself is really clean. The double bed is very comfortable, and the bed includes a couch and a desk. There is a mini balcony that comes with the bedroom, where you can sit if you need some air. You have a private bathroom, with everything you need (shampoo, bodywash, towels, etc.) included. Everything in the kitchen is free to use and has all you require for cooking at home.
The location of the apartment is great. As a white, blonde girl I was expecting feel nervous on the streets, but Sisli Istanbul is one of the safest neighbourhoods you can stay in, even compared to your classic European cities like Amsterdam, Paris, etc. If anything, people are nicer and more welcoming in Turkey than in most other countries I've visited.
I originally expected to just have a good time in Istanbul, but I left the city with some awesome memories and an a great new friend. I will definetely come back here.