List of Byzantine monuments in Istanbul (historic Constantinople). This list is not complete.
(By alphabetical order)
A Atik Mustafa Pasha Mosque B Basilica Cistern Boukoleon Palace C Chora Church Church of St. Mary of Blachernae (Istanbul) Church of St. Mary of the Mongols Church of St. Polyeuctus Cistern of Philoxenos D E Eski Imaret Mosque F Fenari Isa Mosque G Gül Mosque H Hagia Irene Hagia Sophia Hippodrome of Constantinople Hirami Ahmet Pasha Mosque K Kalenderhane Mosque Kefeli Mosque Koca Mustafa Pasha Mosque L Little Hagia Sophia M N P Pammakaristos Church Palace of Blachernae Palace of the Porphyrogenitus S T Theodosius Cistern V Vefa Kilise Mosque Y Yoros Castle Z Zeyrek Mosque Ş Şeyh Süleyman Mosque