Cairo, Egypt, in its history[?] has had a significant number of fortified gates protecting both inner and outer city. Apart from the purpose of defense they were also used for differentiation of the varied social and economic classes. Often the gates were heavily decorated as artistic pieces.
... the census of 2000, there are 11,767 people, 3,808 households, and 2,974 families residing in the town. The population density is 2,391.2/km² (6,199.1/mi²). ...