Visit the iconic Hagia Sophia, a Byzantine-era church turned Ottoman-era mosque and now museum.
Explore the former residence of Ottoman sultans, including the Harem, Treasury, and Imperial Council Chamber.
Admire the stunning Blue Mosque before diving into the bustling Grand Bazaar for some shopping and bargaining.
Check out the Spice Bazaar and then sail down the Bosphorus Strait for breathtaking views of the city and the sea.
Visit the ornate Dolmabahce Palace, which served as the main administrative centre of the Ottoman Empire.
Take a boat out to the historic Maiden's Tower and then hike up Camlica Hill for stunning panoramic views of the city.
Marvel at the well-preserved mosaics and frescoes of the medieval Chora Museum and then stroll through the colourful streets of the historic Fener-Balat district.
Explore Istanbul's contemporary art scene at Istanbul Modern and then check out the shops, restaurants, and bars around lively Taksim Square.
Escape the city to the car-free Princes' Islands and enjoy a day of swimming, cycling, and seafood feasting.
Stroll through the charming neighbourhood of Ortakoy and then take a tram down the bustling Istiklal Avenue for last-minute shopping and people-watching.
If you have more time, consider taking a day trip to nearby historical sites like Gallipoli or Troy. If you have less time, cutting out the Princes' Islands or Istanbul Modern Museum can help shorten the itinerary. Remember to dress modestly and bring cash for entering certain sites and buying from markets.