The history of the Medea region takes its roots in the distant past. During the Roman 鈥巇omination, several cities were built among which Lambdia. The ruins of Rapidum (Djouab) and 鈥嶵hanarusuma (Berrouaghia) attest to this Roman presence. In the Xth century, with the advent 鈥巓f the Fatimids, Ziri chief of the Sanhadjas tribes, founded the kingdom of the Zirides, he built 鈥巋is capital at Achir (near Ain Boucif). And authorized his son Bologhine to create three other 鈥巆ities: Al-Djazair, Miliana and 惭茅诲茅补. 鈥