Must-Sees

Istanbul Old City Must-Sees

Four landmarks tell the clearest story of Istanbul's Old City. See what each adds, how long it takes and which ticket covers it.

Written and reviewed by Melike · Founder & Editor
Updated August 2026 · Editorial Policy

Best first-time route

Start above ground at Hagia Sophia, walk 5-7 minutes to Basilica Cistern, then continue to the Blue Mosque or finish with Topkapi Palace if your day has enough space. For the underground stop, check Basilica Cistern opening hours 2026, Basilica Cistern ticket price 2026 and the guided fast-track ticket before you go.

45-90 min

The essential first stop for Byzantine architecture, mosaics and Ottoman history.

From €28Book Tickets

30-60 min

Free-entry active mosque known for Iznik tiles, six minarets and its courtyard.

Audio combo from €30.49View Audio Combo

45-60 min

An atmospheric underground Byzantine water chamber a short walk from Hagia Sophia.

English guided tour from €57.47Book Cistern

2-3 hours

Ottoman imperial courtyards, collections, Harem rooms and Bosphorus views for a fuller history day.

Topkapi & Harem from €69.95Book Topkapi

Start with Hagia Sophia, continue to Topkapi Palace, visit Basilica Cistern after lunch and finish at the Blue Mosque outside prayer time.