Van der Vin’s book[1] also contains a rather useful map of Constantinople, which I think worth sharing. In particular it shows the location of the Church of the Holy Apostles.
UPDATE: I suppose this map will be more useful to more people, if I OCR the names at the bottom so that Google can find them. They are:
1. Wall of Theodosius II
2. Golden Gate
3. Pege Gate (Selymbria Gate)
4. Hagia Sophia
5. Hagii Apostoli
6. Monastery of St. John in Stoudion
7. Church of Mary Peribleptos
8. Monastery of St. Andrew in Krisei
9. Church of Mary of Blachernae
10. Monastery of St. John in Petra
11. Monastery of Pantocrator
12. Church of St. Stephen in Dafne
13. Church of Mary Hodegetria
14. Monastery of St. George of the Mangana
15. Column of Justinian I (Augusteion)
16. Column of Constantine (Forum of Constantine)
17. Column of Theodosius I (Forum Tauri)
18. Column of Arcadius (Forum of Arcadius)
19. Column of Michael VIII
20. Imperial Palace
21. Bucoleon palace
22. Blachernae palace
23. Hippodrome
24. Obelisk
25. Cistern of Philoxenos
26. Aqueduct of Valens
27. Forum Amastrianum
28. Forum of the Bous
29. Lycus Valley
30. Mese
- [1]J.P.A. van der Vin – Travellers to Greece and Constantinople. Ancient Monuments and Old Traditions in Medieval Travellers’ Tales (PIHANS 49), 1980. [27 cm, softcover; IX, 751]. ISBN: 90-6258-049-1. Online at the Nederlands Instituut voor het Nabije Oosten – Netherlands Institute for the Near East site.↩