The spacious plaza measures 90mx80m and is surrounded by a broad sidewalk and colonnade of 1st century AD Ionic columns located in Jerash. There are two alters in the middle, and a fountain was added in the 7th Century AD. This square structure now supports a central column, which was recently erected to carry the Jerash Festival Flame.
In addition to its standard function as a marketplace, a forum was a gathering place of great social significance, and often the scene of diverse activities, including political discussions and debates, rendezvous, meetings. In that case it supplemented the function of a conciliabulum or place of assembly.