It is located in the onur business center on Buyukdere street employees like friendly help there is a parking problem, but you can park short-term on the side of the road there is also a parking lot at the metro station, but the very expensive building needs a little old maintenance, old-style identification is still taken at the entrance, registration is also made once, next time you can just say your name and get an entrance card, it would be better if the building owners showed the necessary care to this precious place.