The citadel is considered to be among the most popular historical sites of Cairo,it was built by Saladin in the 12th century A.D,in order to protect Egypt against the crusaders.
There are many important monuments were built in the citadel through its long history,this includes the marvelous Mosque of Mohamed Ali which is the best example of the Ottoman architecture in Egypt.
Old Cairo is the home of Cairo’s Coptic christian community.
In Coptic Cairo you will see:-
1.The Hanging church.
2.Church of St Sergius.
3.Ben Ezra synagoge