City Population Population Density Greater Kairouan 186,653 no data Greater Kaserine ( 83,534 city ) ( 108,794 combined ) 6,961 Km/square2 Greater Sidi Bouzid ( 48,339 city ) ( 122,676 combined ) no data Greater Sbeitla ( 23,844 city ) ( 72,245 combined ) no data Greater Bou Hajla ( 7,940 city ) ( 70,589 combined ) no data Greater Sbikha ( 8,104 city ) ( 67,315 combined ) no data Greater Regueb ( 11,430 city ) ( 58,776 combined ) no data Greater Feriana ( 36,504 city ) ( 51,455 combined ) no data Greater Haffouz ( 8,472 city ) ( 43,792 combined ) no data Greater Foussana ( 7,716 city ) ( 41,447 combined ) no data