Gratianopolis (`city of Gratian`) can refer to: ...[Mauretania Caesariensis] Gratianopolis was a city in Mauretania Caesariensis, North Africa, named for the emperor Gratian. It is only known from mentions in church council minutes. Its history, location, and present condition are unknown. ==Ecclesiastical history== Gratianopolis sent bishops to several 5th-century church councils: Publiciu...