One of some pictures of the mausoleum or türbe that is part of the Yeni Cami külliyesi (the complex of the New Mosque). The foundress of the New Mosque is buried here, Turhan Hadice, as well as her son, Mehmet IV, and several later sultans, Mustafa II, Ahmet III, Mahmut I, Osman III and Murat V, as well as many princes and princesses.

Source: Strolling through Istanbul.