The history of the city is a blend of the Greco-Roman world of the Mediterranean Basin and the ancient traditions of the Arab Orient. The name of the city reflects this interaction. The earliest Arab/Semitic inhabitants, who lived in the area during the pre-classical period of the 1st millennium BCE, named their village Garshu.
Jerash was then deserted until it reappeared by the beginning of the Ottoman rule in the early 16th century. In the census of 1596, it had a population of 12 Muslim households. However, the archaeologists have found a small Mamluk hamlet in the Northwest Quarter[9] which indicates that Jerash was resettled before the Ottoman era. The excavations conducted since 2011 have shed light on the Middle Islamic period as recent discoveries have uncovered a large concentration of Middle Islamic/Mamluk structures and pottery