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Istanbul Clues

Istanbul Travel Guide

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EXPLORE

15 Byzantine Churches in Istanbul (2026 Update)

1 April 2026 by Serhat Engul

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 Engul

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)

30 Best Museums in Istanbul (2026 Update)

22 July 2026 by Serhat Engul

The best museums in Istanbul are mostly located on the European side of the city, particularly in Sultanahmet (Old City), Beyoğlu (Taksim), and along the Bosphorus. However, important cultural stops can also be found on the Asian side. This list is not a generic compilation. It is shaped by nearly 20 years of on-site experience as a licensed Istanbul tour guide. Each museum … [Read more...] about 30 Best Museums in Istanbul (2026 Update)

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Private Guided Tours

blankHello, I'm Serhat Engul, a licensed tour guide in Istanbul. I lead private walking tours focused on the city's Roman, Byzantine, and Ottoman history.

You can learn more about me and the walks I offer on the About Istanbul Clues page.

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Istanbul Travel Guide

Istanbul Clues is a digital travel guide to Istanbul, written by Serhat Engul. It covers the city’s history, museums, neighborhoods, transportation, and places to eat.

About the Author

Questions from Serhat’s walking tours help shape the subjects covered here. Learn more about the author.

Recent

  • Serhat Engul: Alek, Misi & Rubi and Byzantine Stories
  • The Forum of Constantine in Istanbul today
  • History of Church of St Polyeuctus (Istanbul)
  • Stoudios Monastery (now Imrahor Mosque in Istanbul)
  • Hagia Theodosia Church (Gul Mosque) in Istanbul

Licenses & Professional Details

Serhat Engul is a licensed tourist guide (Ministry of Culture and Tourism license no. 003660), registered with the Istanbul Tourist Guides Chamber (İRO), which is a member of TUREB.

For travel arrangements outside his guiding services, Serhat may refer guests to Reborn Travel Agency (TÜRSAB license no. 5128).

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