Day 1 — Arrive in Istanbul, ease into the Sultanahmet old town with the Blue Mosque and Basilica Cistern, then wander the Grand Bazaar. (overnight: Istanbul)
Blue Mosque Iconic Ottoman mosque with six minarets and blue tiles
Basilica Cistern Ancient underground water reservoir with Medusa columns
Grand Bazaar Historic covered market with spices, carpets and crafts
Blue House Hostel Budget hostel in the heart of Sultanahmet
Day 2 — A relaxed museum morning at the Istanbul Archaeological Museums, then a food-focused afternoon at the Spice Bazaar. (overnight: Istanbul)
Istanbul Archaeological Museums Treasures from Ottoman, Greek and Roman eras
Spice Bazaar Aromatic Egyptian bazaar for spices, sweets and teas
Sultanahmet Square Historic plaza between the Blue Mosque and Hagia Sophia
Blue House Hostel Budget hostel in the heart of Sultanahmet
Day 3 — A slow morning at the Chora Church mosaics, then Suleymaniye Mosque and a food-focused evening on Istiklal Avenue. (overnight: Istanbul)
Chora Church (Kariye) Byzantine church famed for its glittering mosaics
Suleymaniye Mosque Grand mosque by architect Sinan with sweeping views
Istiklal Avenue Lively pedestrian street with cafes, shops and street food
Blue House Hostel Budget hostel in the heart of Sultanahmet
Day 4 — A relaxed final morning at Galata Bridge, then departure from Istanbul. (overnight: Istanbul)
Galata Bridge Bridge over the Golden Horn with fishing and views
4 Days Istanbul City Tour Optional guided package covering Istanbul's highlights
Blue House Hostel Budget hostel in the heart of Sultanahmet