 Al @-@ Mansuriya , near Kairouan , Tunisia , was the capital of Fatimid Caliphate during the rules of the Imams Al @-@ Mansur Billah ( r . 946 – 953 ) and Al @-@ Mu 'izz li @-@ Din Allah ( r . 953 – 975 ) . Built between 946 and 972 , it was a circular walled city holding elaborate palaces surrounded by gardens , artificial pools and water channels . The caliph Al @-@ Mu 'izz moved from the city to the new city of al @-@ Qāhira ( Cairo ) in 973 , but Al @-@ Mansuriya continued to serve as the provincial capital . In 1057 it was abandoned and destroyed . Any useful objects or materials were scavenged during the centuries that followed . Today only faint traces remain . 
