 The Ottoman Fourth Army consisting of 6,000 infantry and 2,000 cavalry supported by 74 guns was commanded by General Mohammed Jemal Pasha. The army was headquartered at Amman. This army was composed of the VIII Corps'48th Infantry Division, the Composite Division of a German battalion group, the Caucasus Cavalry Brigade, the division-sized Serstal Group, the 24th and 62nd Infantry Divisions, with the 3rd Cavalry Division in reserve. There were 6,000 Ottoman soldiers with 30 guns in the II Corps, known as the Seria Group or Jordan Group, which garrisoned the Hejaz railway along the line from Ma'an southwards towards Mecca.
