The full form of ISIS is Islamic State of Iraq and Syria. It is also known as Islamic State of Iraq and Levant. ISIS was founded by Abu Musab al- Zarqawi in 1999. The headquarter of this organisation is Baghdad, Iraq. This organisation began referring to itself as the Islamic state. It claimed the religious, political and the military authority over all Muslims world wide In October 2019 ISIL media announced that Abu Ibrahim al-Hashimi al-Qureshi was the new leader of the Islamic state.