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15 Byzantine Churches in Istanbul (2026 Update)

1 April 2026 by Serhat Engül

Istanbul’s Byzantine churches are not just religious buildings — they are the surviving fragments of a city that once defined the spiritual and political center of the Eastern Roman world. Some of these monuments have disappeared entirely, such as the Church of the Holy Apostles. Others survive only as ruins. But many still stand today, either as mosques, museums, or active … [Read more...] about 15 Byzantine Churches in Istanbul (2026 Update)

25 Best Mosques in Istanbul (2026 Update)

15 March 2026 by Serhat Engül

Istanbul is home to some of the most remarkable mosques in the Islamic world. Over the past twenty years of guiding visitors through this city, I have walked through hundreds of mosque courtyards, climbed countless stone steps, and watched travelers pause beneath domes that have shaped Istanbul’s skyline for centuries. What you see in this guide is not only historical … [Read more...] about 25 Best Mosques in Istanbul (2026 Update)

The Story of Byzantine Constantinople (Through 25 Sites)

1 April 2026 by Serhat Engül

Over the past two decades, working as a licensed tour guide in Istanbul, my path has gradually led me deeper into one specific layer of the city: Byzantium. What began as a general interest in history slowly evolved into a focused pursuit. Along the way, certain books shaped that journey—most notably the Byzantium trilogy by John Julius Norwich, which brought the empire to … [Read more...] about The Story of Byzantine Constantinople (Through 25 Sites)

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Private Guided Tours

blankHello, I'm Serhat Engul. I am a licensed tour guide operating in Istanbul. I do walking tours in Istanbul focusing on Roman, Byzantine and Ottoman history. If you want to join a private guided tour in Istanbul, you can check out my references and tours from ABOUT page. Read More…

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Istanbul Travel Guide

Istanbul Clues travel guide is designed to introduce you to the history, museums, restaurants and culture of istanbul.

Private Tour Guide in Istanbul

Author of this blog, Serhat Engul, is a licensed tour guide based in Istanbul.

Recent

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  • Hagia Theodosia Church (Gul Mosque) in Istanbul

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