The Diocese of Moesia ( la, Dioecesis Moesiarum, el, Διοίκησις Μοισίας) 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, pro ...

of the later

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediterr ...

, in the area of modern western

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

, central

Serbia Serbia (, ; Serbian language, Serbian: , , ), officially the Republic of Serbia (Serbian language, Serbian: , , ), is a landlocked country in Southeast Europe, Southeastern and Central Europe, situated at the crossroads of the Pannonian Bas ...

Montenegro ) , image_map = Europe-Montenegro.svg , map_caption = , image_map2 = , capital = Podgorica , coordinates = , largest_city = capital , official_languages = M ...

Albania Albania ( ; sq, Shqipëri or ), or , also or . officially the Republic of Albania ( sq, Republika e Shqipërisë), is a country in Southeastern Europe. It is located on the Adriatic and Ionian Seas within the Mediterranean Sea and shares ...

North Macedonia North Macedonia, ; sq, Maqedonia e Veriut, (Macedonia before February 2019), officially the Republic of North Macedonia,, is a country in Southeast Europe. It gained independence in 1991 as one of the successor states of Socialist Feder ...

, and

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...

History

The Diocese of Moesia was one of the twelve

dioceses In 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 provinces were administratively associat ...

in which

Diocletian Diocletian (; la, Gaius Aurelius Valerius Diocletianus, grc, Διοκλητιανός, Diokletianós; c. 242/245 – 311/312), nicknamed ''Iovius'', was Roman emperor from 284 until his abdication in 305. He was born Gaius Valerius Diocles ...

(284–305) divided the

during his administrative reforms. It encompassed most of the ancient Greek and Illyrian lands, stretching from the

Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cyprus, and ...

Danube The Danube ( ; ) is a river that was once a long-standing frontier of the Roman Empire and today connects 10 European countries, running through their territories or being a border. Originating in Germany, the Danube flows southeast for , pa ...

. During the time of

Tetrarchy The Tetrarchy was the system instituted by Roman emperor Diocletian in 293 AD to govern the ancient Roman Empire by dividing it between two emperors, the '' augusti'', and their juniors colleagues and designated successors, the '' caesares' ...

, the diocese was under the jurisdiction of ''

Caesar Gaius Julius Caesar (; ; 12 July 100 BC – 15 March 44 BC), was a Roman people, Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating his political rival Pompey in Caes ...

Galerius Gaius Galerius Valerius Maximianus (; 258 – May 311) was Roman emperor from 305 to 311. During his reign he campaigned, aided by Diocletian, against the Sasanian Empire, sacking their capital Ctesiphon in 299. He also campaigned across the D ...

who kept it under his own control during much of his reign as ''

Augustus Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pri ...

'' (305-311). He died and was buried in the city of

Felix Romuliana Felix may refer to: * Felix (name), people and fictional characters with the name Places * Arabia Felix is the ancient Latin name of Yemen * Felix, Spain, a municipality of the province Almería, in the autonomous community of Andalusia, S ...

, on the territory of the Diocese of Moesia. The diocese was later split in two, forming the

Diocese of Macedonia The Diocese of Macedonia ( la, Dioecesis Macedoniae; el, Διοίκησις Μακεδονίας) was a diocese of the later Roman Empire, forming part of the praetorian prefecture of Illyricum. Its administrative centre was Thessaloniki. Histo ...

in the south and the

Diocese of Dacia The Diocese of Dacia ( la, Dioecesis Daciae) was a diocese of the later Roman Empire, in the area of modern western Bulgaria, central Serbia, Montenegro, northern Albania and northern North Macedonia. It was subordinate to the Praetorian prefectu ...

in the north, probably under

Constantine I Constantine I ( , ; la, Flavius Valerius Constantinus, ; ; 27 February 22 May 337), also known as Constantine the Great, was Roman emperor from AD 306 to 337, the first one to Constantine the Great and Christianity, convert to Christiani ...

(r. 306–337), although the division is not attested until ca. 370. The two new dioceses were grouped into the new

praetorian prefecture of Illyricum The praetorian prefecture of Illyricum ( la, praefectura praetorio per Illyricum; el, ἐπαρχότης/ὑπαρχία �ῶν πραιτωρίωντοῦ Ἰλλυρικοῦ, also termed simply the Prefecture of Illyricum) was one of four ...

in the second half of the 4th century, which essentially covered the same area as the Diocese of Moesia.

Administration

After the administrative reforms of emperor

, the Diocese of Moesia was composed of

provinces A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions outsi ...

:Handbook to life in ancient Rome
/ref> *

Achaea Achaea () or Achaia (), sometimes transliterated from Greek as Akhaia (, ''Akhaïa'' ), is one of the regional units of Greece. It is part of the region of Western Greece and is situated in the northwestern part of the Peloponnese peninsula. The ...

Dacia Mediterranea Dacia Mediterranea (Mid-land Dacia; ) was a late antique Roman province, whose capital city was Serdica (or Sardica; later Sradetz or Sredets, now Sofia). The date for the establishment of Dacia Mediterranea is uncertain. It was traditionally he ...

Dacia Ripensis Dacia Ripensis () was the name of a Roman province in the northern Balkan peninsula, immediately south of the Middle Danube. Its capital was Ratiaria (modern Archar, Bulgaria). It was a district less urban than neighbouring Dacia Mediterranea and ...

* Dardania *

Epirus Nova sq, Epiri rup, Epiru , native_name_lang = , settlement_type = Historical region , image_map = Epirus antiquus tabula.jpg , map_alt = , map_caption = Map of ancient Epirus by Heinrich ...

Epirus Vetus sq, Epiri rup, Epiru , native_name_lang = , settlement_type = Historical region , image_map = Epirus antiquus tabula.jpg , map_alt = , map_caption = Map of ancient Epirus by Heinric ...

Insulae The Latin word ''insula'' (literally meaning "island", plural ''insulae'') was used in Roman cities to mean either a city block in a city plan, i.e. a building area surrounded by four streets, or, later, a type of apartment building that occup ...

Macedonia Prima Macedonia ( grc-gre, Μακεδονία) was a province of the Roman Empire, encompassing the territory of the former Antigonid Kingdom of Macedonia, which had been conquered by Rome in 168 BC at the conclusion of the Third Macedonian War. The pro ...

* Macedonia Secunda *

Moesia Prima Moesia Prima (; Latin: ''Moesia''; el, Μοισία) was a frontier province of the late Roman Empire, situated in the central parts of present-day Serbia, along the south bank of the Danube River. Provincial capital was Viminacium, near modern K ...

Praevalitana Praevalitana (also ''Prevalitana'', ''Prevaliana'', ''Praevaliana'' or ''Prevalis'') was a Late Roman province that existed between c. 284 and c. 600. It included parts of present-day Montenegro, northern Albania, and part of present-day Kosovo. ...

* Thessalia Prima * Thessalia Secunda

References

Sources

{{coord missing, Europe Civil dioceses of the Roman Empire States and territories established in the 290s Ancient history of the Balkans Bulgaria in the Roman era Serbia in the Roman era Moesia Roman Dacia