During the caliphate of Umar, Amir Muawiyah was the ruler of Damascus. Yazid a brother of Muawiyah was the ruler of Jordan. When Yazid fled, Umar placed Jordan also under the charge of Muawiyah
During the caliphate of Uthman when Alqama Kinani the ruler of Palestine died, Palestine was also entrusted to the charge of Muawiyah. A little later when 'Amir b Sa'ad Ansari the ruler of Emessa resigned because of ill health, Uthman added Emessa as well to the charge of Amir Muawiyah Under Muawiyah, Syria thus came to be consolidated into a single Province.