Complex sentence: Part of those who are Muslims have migrated to Northern Jordan to cities such as Irbid and Amman, Also some have migrated to western side of Saudi Arabia such as Jeddah, Madinah and Makkah.
Split into simpler sentences: Part of those who are Muslims have migrated to Northern Jordan to cities such as Irbid and Amman. Others have migrated to cities in Western Saudi Arabia such as Jeddah, Madinah, and Makkah.