Praetorian prefecture of Illyricum

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map of the Praetorian prefecture of Illyricum, 318-379
map of the Praetorian prefecture of Illyricum, 318-379

The Praetorian prefecture of Illyricum (also termed simply the Prefecture of Illyricum) was one of four large Praetorian prefectures into which the Late Roman Empire was divided. The administrative centre of prefecture was Sirmium.

[edit] History

It was organized in 318, and originally included two dioceses: the Diocese of Pannonia and the Diocese of Moesia.

Later, the Diocese of Moesia was divided into the Diocese of Dacia and the Diocese of Macedonia. The prefecture encompassed Pannonia, Noricum, Crete, and the whole Balkan peninsula except Thrace.

In 379, the Prefecture of Illyricum was divided into Western Illyricum and Eastern Illyricum. Western Illyricum was made a civil diocese under the jurisdiction of a vicar of the Prefecture of Italy residing at Sirmium, while Eastern Illyricum would become part of the Byzantine Empire by 395.

[edit] Prefects

  • Apraemis, prefect of the Prefecture of Illyricum with residence in Sirmium (before 441).

[edit] See also

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