Islam Who are Muslims? Over the centuries, Islam spread from the Middle East to different parts of the world, Including Asia and Europe. Many Muslims live in these countries. Fast Fact: The worldwide community of Muslims is called the Ummah. Related PostsLearning about islamThe Great Women of IslamRules about foodRamadan and Eid-ul-FitrThe Last Great Caliph: Abdülhamid IIWhat do Muslims Believe? Join Our BlogJoin our mailing list to receive the latest articles and updates from Islamic History. SUBSCRIBE! You have Successfully Subscribed!