There are 107 pillars in total on the lower floor and in galleries of Hagia Sophia. Pillar heads of Hagia Sophia are the most characteristic and significant 6thcen. East Roman specimens of the whole building and there are monograms of Justinian and Zoe in the middle. The deeply carved marbles, a characteristic of their period, reveal a beautiful light and shade play. The antique porphyry pillars in the corners, middle pillars made of green Thessaloniki marble and the heads of all pillars made of white marble with rich decorations; all take the visitor back to old days.












