Abraham is traditionally said to have originated from Ur, in Mesopotamia, according to biblical texts. Ur is an ancient Sumerian city located in present-day Iraq and is significant in both Jewish and Islamic traditions as the birthplace of one of the key patriarchs of their faiths. This location is emphasized in religious texts, particularly in the Book of Genesis, where it establishes Abraham's roots in a culturally rich and historically significant region, known for its advanced civilization during the early Bronze Age.
Ur was a center of trade and intellect, playing a crucial role in the development of early urban society. This background provides context for understanding Abraham's story and the formative experiences that shaped his identity and his pivotal role in the narratives of Judaism, Christianity, and Islam. The other options—Babylon, Jerusalem, and Cairo—though significant in their own rights, are not regarded as Abraham's place of origin as explicitly as Ur.