The holy shrine of Imam Ali (AS), the first Imam of Shia Muslims, is in Najaf, Iraq. It is being prepared for hosting pilgrims during the Islamic calendar month of Sha'ban when birthday anniversaries of four members of the infallible household of Prophet Muhammad (PBUH), namely Imam Hussain (AS), Hazrat Abbas bin Ali, Imam Sajjad (AS) and Imam Mahdi (AS), are celebrated.