Masjid Umar ibn al-Khattab (Arabic: مسجد عمر بن الخطاب) is part of a group of mosques known as al-Masajid al-Sab’a (Arabic: المساجد السبعة) or The Seven Mosques. There is another mosque in Madinah which shares the same name. Източник: https://wardahasan2016.blogspot.com