The Diocese of

Thrace Thrace (, ; ; ; ) is a geographical and historical region in Southeast Europe roughly corresponding to the province of Thrace in the Roman Empire. Bounded by the Balkan Mountains to the north, the Aegean Sea to the south, and the Black Se ...

(, ) was a

diocese In Ecclesiastical polity, church governance, a diocese or bishopric is the ecclesiastical district under the jurisdiction of a bishop. History In the later organization of the Roman Empire, the increasingly subdivided Roman province, prov ...

of the later

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

, incorporating the provinces of the eastern

Balkan Peninsula The Balkans ( , ), corresponding partially with the Balkan Peninsula, is a geographical area in southeastern Europe with various geographical and historical definitions. The region takes its name from the Balkan Mountains that stretch throug ...

(comprising territories in modern south-eastern

Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...

, central and eastern

Bulgaria Bulgaria, officially the Republic of Bulgaria, is a country in Southeast Europe. It is situated on the eastern portion of the Balkans directly south of the Danube river and west of the Black Sea. Bulgaria is bordered by Greece and Turkey t ...

, and

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

and Turkish Thrace). Philippopolis (modern Plovdiv, in Bulgaria) was the capital. The diocese was established as part of the reforms of

Diocletian Diocletian ( ; ; ; 242/245 – 311/312), nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia (Roman province), Dalmatia. As with other Illyri ...

and

Constantine the Great Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

, and was headed by a ''

vicarius ''Vicarius'' is a Latin word, meaning ''substitute'' or ''deputy''. It is the root of the English word "vicar". History Originally, in ancient Rome, this office was equivalent to the later English " vice-" (as in " deputy"), used as part of th ...

'' subordinate to the

praetorian prefecture of the East The praetorian prefecture of the East, or of the Orient (, ) was one of four large praetorian prefectures into which the Later Roman Empire, Late Roman Empire was divided. As it comprised the larger part of the Eastern Roman Empire, and its seat w ...

. As outlined in the of , the diocese included the provinces of Europa,

Thracia Thracia or Thrace () is the ancient name given to the southeastern Balkans, Balkan region, the land inhabited by the Thracians. Thrace was ruled by the Odrysian kingdom during the Classical Greece, Classical and Hellenistic period, Hellenis ...

, Haemimontus, Rhodope, Moesia II and Scythia Minor. In May 535, with

Novel A novel is an extended work of narrative fiction usually written in prose and published as a book. The word derives from the for 'new', 'news', or 'short story (of something new)', itself from the , a singular noun use of the neuter plural of ...

26,

Justinian I Justinian I (, ; 48214 November 565), also known as Justinian the Great, was Roman emperor from 527 to 565. His reign was marked by the ambitious but only partly realized ''renovatio imperii'', or "restoration of the Empire". This ambition was ...

abolished the Diocese of Thrace. Its ''vicarius'' retained his rank of ''

vir spectabilis The title ''vir illustris'' () is used as a formal indication of standing in late antiquity to describe the highest ranks within the senates of Rome and Constantinople. All senators had the title ''vir clarissimus'' (); but from the mid fourth ce ...

'' and received the new title of ''

praetor ''Praetor'' ( , ), also ''pretor'', was the title granted by the government of ancient Rome to a man acting in one of two official capacities: (i) the commander of an army, and (ii) as an elected ''magistratus'' (magistrate), assigned to disch ...

Justinianus'', uniting in his hand both civil and military authority over the provinces of the former diocese, in a crucial departure from the strict separation of authority from the Diocletianian system. A year later, in May 536, the two Danubian provinces, Moesia Inferior and Scythia, where detached to form, along with other provinces, the ''

quaestura exercitus The was an administrative district of the Byzantine Empire, Eastern Roman Empire with a seat in Odessus (present-day Varna, Bulgaria, Varna) established by Emperor Justinian I () on May 18, 536. Territorially, the contained the Roman provinces o ...

''.Bury (1923) Vol. II, pp
340–341
/ref>

List of known ''Vicarii Thraciarum''

* Aelius Claudius Dulcitius (?–361) * Capitolinus (361–363) * Andronicus () * Philoxenus () * Solomon (?–582)

References

Sources

Roman Thrace Greece under Roman rule Civil dioceses of the Byzantine Empire Medieval Thrace Geography of ancient Thrace Ancient history of Romania Bulgaria in the Roman era History of Dobruja Praetorian prefecture of the East 314 establishments States and territories established in the 310s 535 disestablishments States and territories disestablished in the 530s {{Byzantine-geo-stub