Istanbul is one of the most fascinating and beautiful destinations in the world. The Turkish city sits between Europe and Asia, along the Bosphorus Strait, and it is home to various attractions, from historical sites to parks and museums. Deciding exactly what to see when on a city break can be challenging, but this 4 days in Istanbul itinerary is here to help! It takes you to all the main historical and cultural landmarks, plus hidden gems and places of natural beauty. Whether you want to experience the winter in Istanbul or are planning a summer getaway, keep reading for the best 4 day Istanbul itinerary!