Mazin bin Ghadouba Mosque, also known as Masjid Al Midhmar, is located in Samail, Oman. Built around 627 AD by Mazin bin Ghadouba—the first Omani to embrace Islam after meeting Prophet Mohammed (PBUH) in Medina—it is considered the oldest mosque in the country. The mosque has undergone restorations, notably in 1979 during Oman’s modern renaissance, and continues to serve as a place of worship