Reviewed on Sep 30, 2025
Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.
The “Sunken Palace” is one of the most striking remnants of Byzantine Constantinople and is the largest of hundreds of ancient underground reservoirs in Istanbul.
You can study the exhibits at Hagia Irene, a museum with a storied past, during your trip to Istanbul. Discover the area's fascinating museums and stunning cathedral.
Fountain of Sultan Ahmed III is just one of the places to see in Istanbul, so why not enjoy the other things to explore during your travels? Stroll along the area's seaside or experience its fascinating museums.
You can browse the exhibits at Istanbul Archaeology Museums, a museum with a story of its own, during your travels to Istanbul. Stroll along the seaside or visit the stunning cathedral in the area.
You can learn about the history of Istanbul when you stop by Sogukcesme Sokagi. Add the area's shops or notable monuments to your travel plans.
