Bab al-Bahr is considered one of the most important parts of the city wall (the city of Tennis). It is adorned with decorations of a Moroccan and Islamic nature. It is named in this way for its supervision of the waterfront. It is one of the five gates of the city wall, namely Bab Khoja; Bab Ibn Nasih. Qibla door. The cannons are located at the top of the city of Tennis, adjacent to Jebel Sidi Marouane, where they overlook two “ports made in the late nineteenth century AD” that were placed in this location during the First Family War in order to defend the port of Tennis.