Septem Provinciae

Diocese of the Seven Provinces
Dioecesis Septem Provinciarum

Diocese of the Roman Empire

314–477

Roman Gaul - AD 400

Capital

Burdigala

Historical era

Late Antiquity

•

Established

314

•

Fall of the Provence to the Visigoths

477

The Diocese of the Seven Provinces (Latin: Dioecesis Septem Provinciarum), originally called the Diocese of Vienne (Latin: Dioecesis Viennensis) after the city of Vienna (modern Vienne), was a diocese of the later Roman Empire, under the praetorian prefecture of Gaul. It encompassed southern and western Gaul (Aquitania and Gallia Narbonensis), that is, modern France south and west of the Loire, including Provence.

The diocese comprised the following provinces: Aquitanica I, Aquitanica II, Novempopulana (Aquitanica III), Narbonensis I, Narbonensis II, Viennensis and Alpes Maritimae

History

The diocese was established during the reforms of Diocletian who reigned from 284-305. It is attested early in the reign of Constantine I in the Verona List which has been dated to around 314. In 402 an annual provincial assembly, the Concilium septem provinciarum, was established in Arles. In 407, the Vandals and their allies invaded Gaul, devastating the region until they departed for the Iberian peninsula in 409. The Visigoths were brought in as foederati to aid the Romans against them, and in 418 emperor Honorius allowed them to settle in Aquitania around Toulouse. Although nominally Roman subjects, the Goths were practically independent, a fact which was formally recognized by the Western Empire in 475, just one year before its end. In 462 Ricimer ceded them also the province of Narbonensis Prima, while the Goths proceeded to occupy the remaining provinces east of the Rhone in 477. Henceforth, the lands that had comprised the diocese of the Seven Provinces became part of the Visigothic Kingdom. Aquitania was soon lost to the Franks, with only the southern coastal strip (Septimania) retained by the Goths.

Sources

(Italian) Heather, La caduta dell'Impero romano. Una nuova storia, 2006.
Halsall, Barbarian migrations in the roman West, 376-568, 2007.

Late Roman provinces (4th–7th centuries AD)

History

As found in the Notitia Dignitatum. Provincial administration reformed and dioceses established by Diocletian, c. 293. Permanent praetorian prefectures established after the death of Constantine I. Empire permanently partitioned after 395. Exarchates of Ravenna and Africa established after 584. After massive territorial losses in the 7th century, the remaining provinces were superseded by the theme system in c. 640–660, although in Asia Minor and parts of Greece they survived under the themes until the early 9th century.

Western Empire (395–476)

Praetorian Prefecture
of Gaul

Diocese of Gaul	Alpes Poeninae et Graiae Belgica I Belgica II Germania I Germania II Lugdunensis I Lugdunensis II Lugdunensis III Lugdunensis IV Maxima Sequanorum

Diocese of Vienne¹	Alpes Maritimae Aquitanica I Aquitanica II Narbonensis I Narbonensis II Novempopulania Viennensis

Diocese of Spain	Baetica Balearica Carthaginensis Gallaecia Lusitania Mauretania Tingitana Tarraconensis

Diocese of the Britains	Britannia I Britannia II Flavia Caesariensis Maxima Caesariensis Valentia (?)

Praetorian Prefecture
of Italy

Diocese of Suburbicarian Italy	Apulia et Calabria Campania Corsica Lucania et Bruttii Picenum Suburbicarium Samnium Sardinia Sicilia Tuscia et Umbria Valeria

Diocese of Annonarian Italy	Alpes Cottiae Flaminia et Picenum Annonarium Liguria et Aemilia Raetia I Raetia II Venetia et Istria

Diocese of Africa²	Africa proconsularis (Zeugitana) Byzacena Mauretania Caesariensis Mauretania Sitifensis Numidia Cirtensis Numidia Militiana Tripolitania

Diocese of Pannonia³	Dalmatia Noricum mediterraneum Noricum ripense Pannonia I Pannonia II Savia Valeria ripensis

Eastern Empire (395–c. 640)

Praetorian Prefecture
of Illyricum

Diocese of Dacia	Dacia Mediterranea Dacia Ripensis Dardania Moesia I Praevalitana

Diocese of Macedonia	Achaea Creta Epirus nova Epirus vetus Macedonia I Macedonia II Salutaris Thessalia

Praetorian Prefecture
of the East

Diocese of Thrace⁵	Europa Haemimontus Moesia II⁴ Rhodope Scythia⁴ Thracia

Diocese of Asia⁵	Asia Caria⁴ Hellespontus Insulae⁴ Lycaonia (370) Lycia Lydia Pamphylia Pisidia Phrygia Pacatiana Phrygia Salutaris

Diocese of Pontus⁵	Armenia I⁵ Armenia II⁵ Armenia Maior⁵ Armenian Satrapies⁵ Armenia III (536) Armenia IV (536) Bithynia Cappadocia I⁵ Cappadocia II⁵ Galatia I⁵ Galatia II Salutaris⁵ Helenopontus⁵ Honorias⁵ Paphlagonia⁵ Pontus Polemoniacus⁵

Diocese of the East⁵	Arabia Cilicia I Cilicia II Cyprus⁴ Euphratensis Isauria Mesopotamia Osroene Palaestina I Palaestina II Palaestina III Salutaris Phoenice I Phoenice II Libanensis Syria I Syria II Salutaris Theodorias (528)

Diocese of Egypt⁵	Aegyptus I Aegyptus II Arcadia Augustamnica I Augustamnica II Libya Superior Libya Inferior Thebais Superior Thebais Inferior

Other territories

Taurica Quaestura exercitus (536) Spania (552)

¹ Later the Septem Provinciae
² Re-established after reconquest by the Eastern Empire in 534 as the separate Prefecture of Africa
³ Later the Diocese of Illyricum
⁴ Placed under the Quaestura exercitus in 536
⁵ Affected (i.e. boundaries modified, abolished or renamed) by Justinian I's administrative reorganization in 534–536

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Septem Provinciae

History

See also

Sources