Sultan Ahmed Mosque, also known as the Blue Mosque due to its blue-tiled interior, is the most important mosque in Istanbul. It was built by the Ottoman Sultan Ahmed I between 1609-1616, and was designed to compete with the majesty of Hagia Sophia. It is located next to the Byzantine Hippodrome in the old city center.
The Blue Mosque
Sultan Ahmet Mahallesi, Atmeydanı Cd. No:7, Fatih, 34122, Istanbul