Is an ancient Roman city located in Jordan, 86 km from the Jordanian capital, Amman, near the city of Mafraq, close to the Syrian-Jordanian border in the far north of Jordan. Black volcanic. This city was built on the edge of the valley in order to secure water as an essential factor for stability, as there are dozens of ponds, water tanks and wells dug on the outskirts of the valley, some of which are still usable to this day. In the early Roman era, Umm al-Jimal was used and rebuilt at the beginning of the second century AD by building a walled city   with seven gates, including two military barracks. In the Byzantine era, it was revealed that there were seventeen churches, in addition to houses, cemeteries, and others.