The Cathedral of the Nativity of Christ is a Coptic Orthodox cathedral in the as-yet-unnamed New Administrative Capital, Egypt, some 45 km east of Cairo. 

It was commissioned by the President of Egypt Abdel Fattah el-Sisi and inaugurated on 6 January 2019 by President el-Sisi and the Pope of the Coptic Orthodox Church of Alexandria Tawadros II.

It is the largest church in the Middle East, and the largest Oriental Orthodox church in the world by area. It is 144.5m long, 91.5 m wide and has a floor area of 7,500 m2.

The design of the cathedral is inspired by Noah's Ark in accordance with Coptic tradition. It contains a main square and papal headquarters, a reception hall, a meeting room and administrative offices.  It also has a two-story underground garage, service building, and two lighthouses. The lighthouses are Coptic in design and contain several bells at the top.

According to en.wikipedia