Masjid al Kufa located in Kufa , Iraq , is one of the earliest and holiest surviving mosques in the world. The mosque is built in the 7th centour.

 

 

The Mosque of Kufa is with 110 meters of length, 101 meters of width, and has an area of 11162 square meters. Its walls are ten meters hight. The open courtyard of the mosque is 5642 square meters, and the area of its Shabistans is 5520 square meters. The number of its pillars is 187, and it has four minarets each 30 meters tall. The mosque has five gates called: "Bab al-Hujja" (the main entrance), "Bab al-Thu'ban", "Bab al-Rahma", "Bab Muslim b. 'Aqil", and "Bab Hani b. 'Urwa"