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= Roman Prefectures =

The empire was administratively divided into '''praetorian prefectures''' (''praefectura praetorio'', plural ''praefecturae praetorio'') during the [[WorldHistory/RomanEmpire/Tetrarchy|tetrarchy]].

<<TableOfContents>>

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== History ==

The title '''praetorian prefect''' (''praefectus praetorio'') originated as the commanders of the Praetorian Guard. Over time, the role evolved into that of an advisor, and finally into that of a grand vizier.

Under the [[WorldHistory/RomanEmpire/Tetrarchy|tetrarchy]], each of the four quarters of the empire were administered by a praetorian prefect.

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== Prefectures ==



=== Galliarum ===

Composed of the [[WorldHistory/RomanEmpireDioceses|dioceses]] of Gaul, Britain, Spain, and Vienna.



=== Italiae ===

Composed of northern and southern Italy, Africa, and Pannonia.

In 347, Italiae was split to create Illyrici; Dacia, Macedonia, and Pannonia were removed. Pannonia returned to Italiae by 395.



=== Illyrici ===

Composed of Dacia and Macedonia.

Split out from Italiae in 347. Pannonia was originally part of Illyrici in that reorganization, but was moved back to Italiae by 395.



=== Orientis ===

Composed of Thracia, Asia, Pontus, the East, and Egypt.

Egypt was elevated to a diocese, but retained in the Diocese of the East, in 380.



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CategoryRicottone