Shia Islam 什叶派
（重定向自Shiism）
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![The Investiture of Ali at Ghadir Khumm (MS Arab 161, fol. 162r, AD 1309/8 Ilkhanid manuscript illustration)](/Images/godic/202502/10/Investiture_of_Ali_Edinburgh_codex3718.jpg")
![The Imam Hussein Shrine in Karbala, Iraq is a holy site for Shia Muslims.](/Images/godic/202502/10/ImamHusaynMosqueKarbalaIraqPre20063719.JPG")
Shia (/ˈʃiːə/; Arabic:شيعة Shīʿah), an abbreviation of Shia-ne-Ali, Shīʻatu ʻAlī (شيعة علي, "followers of Ali"), is a branch of Islam which holds that the Islamic prophet Muhammad's proper successor as Caliph was his son-in-law and cousin Ali ibn Abi Talib. Shia Islam primarily contrasts with Sunni Islam, whose adherents believe that Muhammad's father-in-law Abu Bakr was his proper successor.