Great Mosque of Algiers or Djama’a al-Kebir is a historic mosque located within the Kasbah of Algiers in the city of Algiers, Algeria. According to the inscription written on the minbar, the mosque was built in 1097 AD and is considered the oldest mosque in Algiers. The mosque is one of the few remaining examples of Almoravid architecture. The mosque was inscribed as a UNESCO World Heritage Site in 1992 as part of Kasbah of Algiers