The Battle Hostile_encounter of Anzen or Dazimon was fought Hostile_encounter on 22 July 838 at Anzen or Dazimon ( now Dazmana ( Akçatarla ) , Turkey ) between the Byzantine Empire and the forces of the Abbasid Caliphate .

The Battle Hostile_encounter of Anzen or Dazimon was fought Hostile_encounter on 22 July 838 at Anzen or Dazimon ( now Dazmana ( Akçatarla ) , Turkey ) between the Byzantine Empire and the forces of the Abbasid Caliphate .

Theophilos with his army confronted Confronting_problem the smaller Muslim army , under the Iranian vassal prince Afshin , at Dazimon .