Attraction
1. Hagia Sophia
Justinian's sixth-century domed basilica, now the Hagia Sophia Grand Mosque, with a separate visitor route through its upper galleries above the prayer hall.
View details — Hagia SophiaLandmarks, museums, historic sites, parks and viewpoints that draw visitors to a city, with practical notes on planning a visit.
10 places · Updated October 23, 2026
Attraction
Justinian's sixth-century domed basilica, now the Hagia Sophia Grand Mosque, with a separate visitor route through its upper galleries above the prayer hall.
View details — Hagia SophiaAttraction
The sprawling Ottoman palace on Seraglio Point, with courtyards, the Harem, imperial treasury displays and Bosphorus views, plus the Byzantine church of Hagia Irene.
View details — Topkapı PalaceAttraction
Sultan Ahmed I's six-minaret imperial mosque, completed in 1617 and named for the blue İznik tiles that line its vast prayer hall.
View details — Blue Mosque (Sultan Ahmed Mosque)Attraction
A sixth-century underground reservoir near Hagia Sophia, with 336 marble columns, two Medusa-head column bases and atmospheric lighting after its 2022 restoration.
View details — Basilica CisternAttraction
Mimar Sinan's monumental mosque for Suleiman the Magnificent, completed in 1557 on the Third Hill, with the tombs of the sultan and Hürrem Sultan.
View details — Süleymaniye MosqueAttraction
The 14th-century Genoese stone tower above Karaköy, now a museum with a 360-degree observation deck over the Golden Horn, Bosphorus and old city.
View details — Galata TowerAttraction
The Bosphorus-front palace of the later Ottoman sultans, completed in 1853, blending European styles and holding the room where Atatürk died in 1938.
View details — Dolmabahçe PalaceAttraction
Turkey's great archaeological collection beside Gülhane Park, founded by Osman Hamdi Bey, home to the Alexander Sarcophagus and an Egyptian–Hittite peace treaty tablet.
View details — Istanbul Archaeology MuseumsAttraction
Turkey's first museum of modern and contemporary art, reopened in 2023 in a Renzo Piano-designed building on the Karaköy waterfront.
View details — Istanbul ModernAttraction
The former Chora Church near the land walls, famed for early 14th-century Byzantine mosaics and frescoes, reopened as a mosque with a visitor route in 2024.
View details — Kariye Mosque (Chora)