Istanbul in a long weekend

Hagia Sophia

Fatih, Istanbul, Turkey en.wikipedia.org

It's a working mosque. Avoid Friday midday prayers.

Basilica Cistern

Fatih, Istanbul, Turkey en.wikipedia.org

Süleymaniye Mosque

Fatih, Istanbul, Turkey en.wikipedia.org

Calmer than the Blue Mosque, and the courtyard views are better.

Galata Tower

Beyoğlu, Istanbul, Turkey en.wikipedia.org

Balat

Fatih, Istanbul, Turkey en.wikipedia.org

Sultan Ahmed Mosque

Fatih, Istanbul, Turkey en.wikipedia.org

Topkapı Palace

Fatih, Istanbul, Turkey en.wikipedia.org

Pay the extra for the Harem. Best part of the palace.

Grand Bazaar

Fatih, Istanbul, Turkey en.wikipedia.org

Spice Bazaar

Eminönü, Istanbul, Turkey en.wikipedia.org

Kadıköy

Asian side, Istanbul, Turkey en.wikipedia.org

Take the ferry over just for the ride, then eat your way through the market.