The Al-Fattah Al-Aleem Mosque, in the New Administrative Capital in Egypt, is considered Egypt’s largest mosque. It was build under the supervision of the Armed Forces Engineering Corps and with the participation of the Arab Contractors Company for construction consultations. The mosque was built on an area of 106 acres, of which approximately 2 acres (8600 m²) is the area of the mosque building, and 7000 m² is an outdoor courtyard dedicated to prayer. Below there is a “basement” with a daily prayer hall, a “mini mosque” for men and women, rooms for memorizing the Qur’an, places for ablution, a library and administrative offices, and the rest of the external space is designated for buildings, roads and landscaping.

The mosque has a capacity of nearly 17,000 worshipers. The mosque has 4 minarets with a height of 95 m and it is topped by 21 domes represented in: one main dome, four secondary domes with 4 domes from the stained glass beneath the secondary domes, 6 domes above the entries and beneath them there are 6 domes from the stained glass. The mosque has 6 entrances and 2 side entrances to the ladies’ chapel on the first floor, “the mezzanine”.  The mosque includes 2 buildings that include 7 event halls, located on both sides of the mosque, with a capacity of 2440 people

Many Egyptian construction, carpets, crystal, agriculture and landscape companies were involved in the project: Arab Contractors was included in build the mosque, minaret, wall and facilities, Perfect Engineering Consultant as design consultant, Ali Hamama was included in woodwork, Hassan Allam Sons in building roads, Oriental weavers involved in carpets, Asfour Crystal for making chandeliers and Express for planting and landscaping. Egyptian marble was used in the mosque works.