Ioannis N. Grigoriadis gave an interview to journalist Giannis Theodosis and radio station Athens 9.84 on what led to the decision to turn the Hagia Sophia into a mosque.
You can listen to the interview in Greek here.
I. N. Grigoriadis gives an interview on what led Erdoğan to turn the Hagia Sophia into a mosque
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Ioannis N. Grigoriadis
Senior Research Fellow, Head, Turkey Programme; Editor-in-Chief, Journal of Southeast European and Black Sea Studies