view of the apse, seen from the west Istanbul Documentation Project Sancaktar Hayrettin Mescidi Historical Images and Maps 1617_istanbul2016_hist_img_0140 Location Istanbul (Turkey) Culture Byzantine Ottoman Image Source Müller-Wiener, W. Zur Topographie Istanbuls. Byzantion, Konstantinupolis, Istanbul bis zum Beginn des 17. Jahrhundert. (Tübingen, 1977) Photographer Wolfgang Müller-Wiener