Masjid E Abu Bakr (Ghar), also known as the Abu Bakr As-Siddiq Mosque, is one of the oldest mosques in Medina, Saudi Arabia. Located towards the south-west side of Al-Masjid an-Nabawi, it holds historical significance. This mosque was a site where Prophet Muhammad used to offer Eid prayers, and this tradition continued after his death by Caliph Abu Bakr. Built by Umar II in 91 A.H/709 C.E, it exemplifies Islamic architecture with a spacious prayer hall, intricate ceramic work, and magnificent carvings on the minaret. The mosque serves as a center for worship, education, and reflection, symbolizing the rich history and culture of Islam