Masjid al-Fath (Arabic: مسجد الفتح) is the largest of the group of mosques known as al-Masajid al-Sab’a (Arabic: المساجد السبعة) or The Seven Mosques. It is the site at which the Prophet ﷺ supplicated during the Battle of Khandaq. Източник: https://wardahasan2016.blogspot.com