Destinations
Region: Marmara Region, Turkey
Known for: Hagia Sophia, the Blue Mosque, the Grand Bazaar
Nearest airport: Istanbul Airport (IST)
Best season: April to May, September to October
Istanbul is the only major city on earth that genuinely straddles two continents, and you’ll feel that split the moment you cross the Bosphorus — Europe on one side, Asia on the other, a strait of water doing the dividing. It was Constantinople before it was Istanbul, capital of the Byzantine Empire and then the Ottoman Empire in turn, and the layers of that history sit right on top of each other across the old city.
The Hagia Sophia alone tells you most of what you need to know about this place — built as a cathedral in 537 AD, converted to a mosque after the Ottoman conquest in 1453, turned into a museum in the 20th century, then converted back to a mosque in 2020. Few buildings anywhere carry that much accumulated, contested history in a single structure. Right across the square, the Blue Mosque’s six minarets and cascading domes hold their own against it.
Wander into the Grand Bazaar and you’re inside one of the oldest and largest covered markets in the world — over 4,000 shops under one roof, dating to the 15th century, and still a genuine working market rather than a museum piece. The same goes for the Spice Bazaar nearby, where the smell alone tells you you’ve arrived somewhere serious about its trade history.
Want the full picture? See the separate guides covering Istanbul’s run as Roman, Byzantine and Ottoman capital, what to wear given the city’s mosque etiquette and general style, and a practical itinerary covering the old city and beyond.
