The Imam Ali Mosque in Najaf, Iraq, is the most sacred site associated with Hazrat Ali (RA). It houses the tomb of the Fourth Caliph and is one of the most visited pilgrimage sites in the Islamic world. The mosque features a magnificent golden dome and twin minarets that can be seen from miles away.
The shrine has been rebuilt, renovated, and expanded many times over the centuries. The current structure dates primarily to the 17th century, with further additions in subsequent centuries. Millions of pilgrims visit annually to pay their respects.
According to historical reports transmitted by multiple scholars, Hazrat Ali (RA) was born inside the Holy Kaaba in Makkah — a distinction held by no other figure in Islamic history. His mother, Fatima bint Asad, is said to have entered the Kaaba when she felt labor pains, and the wall miraculously opened for her.
This event, recorded by historians such as al-Hakim in al-Mustadrak and al-Mas'udi in Muruj al-Dhahab, underscores the unique spiritual status granted to Ali even before his birth.
The Great Mosque of Kufa is one of the oldest mosques in the world and served as the principal mosque of Hazrat Ali during his caliphate. Kufa was his capital city (656–661 CE), and it was in this mosque that he was struck by the poisoned sword of Ibn Muljam during the Fajr prayer on 19 Ramadan, 40 AH (661 CE).
The mosque holds immense historical significance. It was the center of Ali's government, his court of justice, and the place where he delivered many of his famous sermons compiled in Nahj al-Balagha. The exact spot where Ali was struck and the mihrab where he prayed are preserved within the mosque.
The Prophet's Mosque in Madinah is deeply connected to Ali's life. After the Hijrah, Ali arrived in Madinah and helped build this mosque alongside the Prophet (PBUH). It was here that many of the pivotal events of early Islam took place, and Ali spent years learning directly from the Prophet.
Ali grew up in the Prophet's household and was a constant presence in the mosque — praying, learning, and serving. The nearby Baqi Cemetery is the resting place of many members of Ali's immediate family, including his sons Hasan (RA) and several other descendants.
Wadi-us-Salaam in Najaf is the world's largest cemetery, covering over 1,485 acres. For over 1,400 years, Muslims have sought to be buried near the shrine of Imam Ali (RA), believing in the blessings of proximity to his resting place. The cemetery contains an estimated 5–6 million graves.
It is recognized as a UNESCO World Heritage Site and serves as a powerful testament to the enduring love and reverence for Hazrat Ali across centuries and continents.
Ghadir Khumm is the historic oasis where, on 18 Dhul Hijjah 10 AH (632 CE), the Prophet Muhammad (PBUH) delivered his famous sermon after the Farewell Pilgrimage. It was here that he declared: "Whoever I am his master (Mawla), Ali is his master."
This event, known as the Event of Ghadir, is one of the most widely narrated events in Islamic history, recorded by scholars of all schools of thought. The site holds special significance as the place where Ali's spiritual authority was publicly proclaimed before tens of thousands of companions.