Experience Istanbul in just 3 days with this ultimate itinerary! We dive deep into the city's heart, from the iconic Hagia Sophia to the hidden gems of Kadiköy. We'll share essential travel tips, including mosque dress code (don't forget your scarf!) and how to navigate like a local. We've also curated the best foodie spots for authentic kebabs and rooftop views. Whether you're seeking history or the perfect baklava, this guide ensures you don't miss a beat in the city of two