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.
... and 4,197 families residing in the town. The population density is 1,058.4/km² (2,740.4/mi²). There are 5,574 housing units at an average density of ...