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Muslim conquest

In the mid-7th century, Mesopotamia was conquered and settled by the expanding Muslim Empire, and a period of Islamization followed. Babylon was dissolved as a province and Aramaic and Church of the East Christianity eventually became marginalized. Ibn Hawqal (10th century) and the Arab scholar, al-Qazwini (13th century), describe Babylon (Babil) as a small village. The latter described a well referred to as the 'Dungeon of Daniel' that was visited by Christians and Jews during holidays. The grave-shrine of Amran ibn Ali was visited by Muslims.

According to medieval Arabic writings, Babylon was a popular site to extract bricks, which were used to build cities from Baghdad to Basra.

European travellers, in many cases, could not discover the city's location, or mistook Fallujah for it. Benjamin of Tudela, a 12th-century traveller, mentions Babylon, but it is not clear if he went there. Others referred to Baghdad as Babylon or New Babylon and described various structures encountered in the region as the Tower of Babel. Pietro della Valle travelled to the village of Babil in Babylon in the 17th century and noted the existence of both baked and dried mudbricks cemented with bitumen.