Volkan's apartment is an amazing place that felt like a home away from home.
It's very spacious, nicely decorated, and the view is amazing with a mixture of greenery from the nearby trees and park, and towering buildings. The best part is, there's nothing to obstruct your view. I can't emphasize how amazing the view was, and it served as my backdrop when I would hop into work meetings. You're also right in the heart of Istanbul, but sheltered from most of the sounds of a busy city.
What I loved about this place's location is that it's also impossible to get lost when you're heading back to the apartment after a long day.
The apartment has many, if not all, of the things you might need for daily life such as towels, blankets, a fully equipped kitchen, a big dining table, huge TV screen, heating and air conditioning, and a washing machine.
The place is a few minutes away from Gayrettepe metro station on foot, so you're only a couple of stops aways from Taksim, Levent, Cevahir Mall in Sisli, you're also close to the MetroBus line. There's a Migros supermarket in Astoria that's around a 4-5 minute walk, and a Carrefour a few minutes away on the other side of the main road. You're never too far from the things you might need.
Volkan was an amazing host as well, always ready to help out. Ours was a last second booking, and Volkan went out of his way to prepare the apartment for us in such a short notice. He also let us check-in very early. Throughout our stay Volkan would check in on us, and was also readily available to help us when we needed to order drinkable water.
Next time I'm in Istanbul, I'd definitely choose to come back to Volkan's place.