Are you heading to Istanbul for a short trip, or taking a detour while heading to another European destination and wondering what to do in Istanbul in three days? Here’s an itinerary suggestion to not just make the most of your Turkish sojourn, but for a perfect 3-day trip to Istanbul. Keep your travelling shoes on and brace yourself, one of the most amazing cities in the world is about to expose itself to you. Don’t blame us, if you are smitten by its charm and multi-faceted persona. Istanbul is known to cast a magical spell on its onlookers.