kiliseler  churches  churches of istanbul  istanbulun kiliseleri  istanbulun adaları  islands of istanbul  princes islands  prens adaları  heybeliada  ayios nikolaos orthodox church  theological school of halki  

Churches of Istanbul and a view of Ayios Nikolaos Orthodox Church in Heybeliada, Princes' Islands Istanbul, Turkey (Turkish: İstanbul'un Kiliseleri ve Prens Adaları Heybeliada'da Aya Nikola Rum Ortodoks Kilisesi'nin görüntüsü).

On the other hand, Theological School of Halki is located at the top of the island, the Hill of Hope. The high school section of Halki is still open, but no longer has students. The monastery attracts tourists from all over Greece and Turkey.