The seven hills, all located in the area within the walls, first appeared when the valleys of the Golden Horn and the Bosphorus were opened up during the Secondary and Tertiary periods.
Tujuh bukit tersebut, yang semuanya terletak di wilayah bertembok, pertama kali muncul ketika lembah-lembah Tanduk Emas dan Bosphorus dibuka pada periode Sekunder dan Tersier.