Hotel Sisli is near Sisli/Mecidiyekoy station and Jewahir shopping centre. The location is quite convenient if you have to go to the main city or to Maslak business district. However the rooms are very small and just enough to stretch your feet. The rooms were clean but the services were basic.
Good thing was that the free wireless Internet worked
Better to book directly by calling them than go through agent sites. People are friendly and helpful but may not understand English hence be ready for communicating using hand signals and gestures.
