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Praetorian prefecture of the East .mw-parser-output .smallcaps{font-variant:small-caps} Praefectura praetorio Orientis Ἐπαρχότης τῶν πραιτωρίων τῆς Aνατολῆς Εώα Υπαρχία
Praet. Prefecture of the East Roman Empire
337–7th century
Praetorian Prefectures of the Roman Empire (395). The Praetorian Prefecture of the East is in grey.
Capital		Constantinople
Historical era		Late Antiquity
•	Established	337
•	reorganization into themata	7th century
Political subdivisions		Diocese of Thrace Diocese of Asia Diocese of Pontus Diocese of the East Diocese of Egypt

The praetorian prefecture of the East, or of the Orient (Latin: praefectura praetorio Orientis, Greek: ἐπαρχότης/ὑπαρχία τῶν πραιτωρίων τῆς ἀνατολῆς) was one of four large praetorian prefectures into which the Late Roman Empire was divided. As it comprised the larger part of the Eastern Roman Empire, and its seat was at Constantinople, the praetorian prefect was the second most powerful man in the East, after the Emperor, in essence serving as his first minister.

Structure

The Prefecture was established after the death of Constantine the Great in 337, when the empire was split up among his sons and Constantius II received the rule of the East, with a praetorian prefect as his chief aide. The part allotted to Constantius encompassed four (later five) dioceses, each in turn comprising several provinces. The authority of the prefecture stretched from the Eastern Balkans, grouped into the Diocese of Thrace, to Asia Minor, divided into the dioceses of Asiana and Pontus, and the Middle East, with the dioceses of Orient and Egypt.^[1]

List of known praefecti praetorio Orientis

• Pompeius Probus


• 
  Ablabius (329-337/338)


• 
  Septimius Acindynus (338–340)


• 
  Flavius Philippus (344–351)


• Thalassius (? - 354)


• Domitianus (354)


• 
  Strategius Musonianus (354–358)


• 
  Flavius Hermogenes (358-360)


• Helpidius (360)


• 
  Lupicinus (before 361)


• 
  Saturninius Secundus Salutius (361 until some years into the reign of Valentinian)


• Nebridius


• 
  Domitius Modestus (369–377)


• 
  Quintus Clodius Hermogenianus Olybrius (379)


• 
  Neoterius (380-381)


• 
  Maternus Cynegius (384–388)


• 
  Flavius Eutolmius Tatianus (388–392)


• 
  Flavius Rufinus (392, September 10 – 395, November 27)


• 
  Caesarius (1st time, 395, November 30 – 397, July 13)


• 
  Flavius Eutychianus (1st time, 397, September 4 – 399, July 25)


• 
  Aurelianus (1st time, 399, August 17 – October 2)^[2]
  


• possibly Flavius Eutychianus (2nd time, 399, December 11 – 400, July 12)^[3]
  


• 
  Caesarius (2nd time, 400–403)


• 
  Flavius Eutychianus (3rd time, 404–405)


• 
  Flavius Anthemius (405–414)


• 
  Flavius Monaxius (1st time, 10 May – 30 November 414)


• 
  Aurelianus (2nd time, 414–416)


• 
  Flavius Monaxius (2nd time, 26 August 416 – 27 May 420)


• 
  Flavius Eustathius (420–422)


• 
  Asclepiodotus (423–425)


• 
  Aetius (425)


• 
  Hierius (1st time, 425–428)


• 
  Flavius Florentius (1st time, 428–430)


• 
  Antiochus Chuzon (430–431)


• 
  Rufinus (431–432)


• 
  Hierius (2nd time, 432)


• 
  Flavius Taurus (1st time, 433–434)


• 
  Flavius Anthemius Isidorus (435–436)


• 
  Darius (436–437)


• 
  Flavius Florentius (2nd time, c. 438–439)


• 
  Flavius Taurus Seleucus Cyrus (439–441)


• Thomas (442)


• 
  Apollonius (442–443)


• Zoilus (444)


• 
  Hermocrates (444)


• 
  Flavius Taurus (2nd time, 445)


• 
  Flavius Constantinus (first term, c. 447)


• Antiochus (448)


• 
  Flavius Florentius Romanus Protogenes (448–449)


• Hormisdas (449–450)


• Palladius (450–455)


• 
  Flavius Constantinus (second term, 456)


• 
  Flavius Constantinus (third term, 459)


• 
  Flavius Vivianus (459–460)


• 
  Illustrius Pusaeus (465)


• Amasius (c. 469)


• Matronianus (491)


• Hierius (494–496)


• Euphemius (496)


• Polycarpus (498)


• Constantine (1st time, 502)


• Appion (503)


• Leontius (503–504)


• Constantine (2nd time, 505)


• Eustathius (505–506)


• Zoticus (511–512)


• 
  Marinus (1st time, c. 512–515)


• Sergius (517)


• 
  Marinus (2nd time, 519)


• Demosthenes (520–524)


• Archelaus (524–527)


• 
  Basilides (c. 527)


• Atarbius (c. 528)


• Iulianus (530–531)


• 
  John the Cappadocian (1st time, 531–532)


• Phokas (533)


• 
  John the Cappadocian (2nd time, 533–541)


• Flavius Comitas Theodorus Bassus (c. 541) as John's deputy


• 
  Peter Barsymes (1st time, 543–546)


• Flavius Comitas Theodorus Bassus (c. 548)


• 
  Addaeus (c. 551)


• 
  Hephaestus (551–552)


• Areobindus (c. 553)


• 
  Peter Barsymes (2nd time, 555–562)


• Diomedes (c. 572)


• Georgius (c. 598)


• 
  Constantine Lardys (c. 602)

References

Sources

• The Prosopography of the Later Roman Empire (PLRE), Vols. I-III: (Vol. II, pp. 1250–1252;)


• 
  Palme, Bernhard (2007). "The Imperial Presence: Government and Army". Egypt in the Byzantine World, 300-700. Cambridge University Press. pp. 244–270..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}