The place is located in Bayouglu near to the famous Isteklial street and Taksim sqaure. Right on the first floor is a nice café Babel cafe and restaurant with tasty food and fair prices - good choice for the arrival meal (if you are too tired from the road). Right across the road small grocery store - easy to settle the most necessary things. Babel host was always ready to help and answered quickly via WhatsApp. We had troubles with wi-fi router but the host proposed the workaround with a neighbor's network in the next 2 days router was fixed. I would add an extra key if you are staying with a company because one key is not enough if you are going to different places and leaving the keys at the safe is not always the safest idea. Please note that the apt is located in the city centre so on the weekends it might be noisy outside. All the other things were totally fine. I recommend the Babel suits for staying