Important Istanbul Maps SOURCE DETAILED EARTH MAP ==> This map is a "Istanbul Guide Earth Map" -service from the Istanbul Metropolitan City. It is in the Google-Earth form, but then in detailed in 6-fold. This is the most detailed map online at Internet and the most active and updated one. I mostly use this map for my research and will also use and indicate important elements on it in the other issue-conntected topic as well. * How to Use it: