The Theme of Seleucia (, ''thema Seleukeias'') was a

Byzantine The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...

theme Theme or themes may refer to: * Theme (Byzantine district), an administrative district in the Byzantine Empire governed by a Strategos * Theme (computing), a custom graphical appearance for certain software. * Theme (linguistics), topic * Theme ( ...

(a military-civilian province) in the southern coast of

Asia Minor Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...

(modern

Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...

), headquartered at Seleucia (modern

Silifke Silifke is a municipality and Districts of Turkey, district of Mersin Province, Mersin Province, Turkey. Its area is 2,692 km2, and its population is 132,665 (2022). It is west of the city of Mersin, on the west end of the Çukurova plain. ...

History

Late Antiquity Late antiquity marks the period that comes after the end of classical antiquity and stretches into the onset of the Early Middle Ages. Late antiquity as a period was popularized by Peter Brown (historian), Peter Brown in 1971, and this periodiza ...

, the port of Seleucia was the chief city of the

Roman province The Roman provinces (, pl. ) were the administrative regions of Ancient Rome outside Roman Italy that were controlled by the Romans under the Roman Republic and later the Roman Empire. Each province was ruled by a Roman appointed as Roman g ...

Isauria Isauria ( or ; ), in ancient geography, is a rugged, isolated district in the interior of Asia Minor, of very different extent at different periods, but generally covering what is now the district of Bozkır and its surroundings in the Konya P ...

and seat of the ''

comes ''Comes'' (plural ''comites''), translated as count, was a Roman title, generally linked to a comitatus or comital office. The word ''comes'' originally meant "companion" or "follower", deriving from "''com-''" ("with") and "''ire''" ("go"). Th ...

Isauriae''.. In the 8th century, it is attested as a subordinate command, first under a ''

tourmarches A ''turma'' (; plural ''turmae''; ) was a cavalry unit in the Roman army of the Republic and Empire. In the Byzantine Empire, it became applied to the larger, regiment-sized military-administrative divisions of a '' thema''. The word is often tran ...

'' and then under a ''

droungarios A ''droungarios'', also spelled ''drungarios'' (, ) and sometimes anglicized as Drungary, was a military rank of the late Roman and Byzantine empires, signifying the commander of a formation known as '' droungos''. Late Roman and Byzantine army ...

'', of the naval theme of the Cibyrrhaeots. In the early 9th century, however, it appears as a small '' kleisoura'' (a fortified frontier command) sandwiched between the larger Byzantine themes of the Cibyrrhaeots, the

Anatolics The Anatolic Theme (, ''Anatolikon hema'), more properly known as the Theme of the Anatolics (Greek: , ''thema Anatolikōn''), was a Byzantine theme (a military-civilian province) in central Asia Minor (modern Turkey). From its establishment, it ...

, and

Cappadocia Cappadocia (; , from ) is a historical region in Central Anatolia region, Turkey. It is largely in the provinces of Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. Today, the touristic Cappadocia Region is located in Nevşehir ...

and the sea, and bordering on the

Abbasid Caliphate The Abbasid Caliphate or Abbasid Empire (; ) was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abd al-Muttalib (566–653 CE), from whom the dynasty takes ...

's domains in

Cilicia Cilicia () is a geographical region in southern Anatolia, extending inland from the northeastern coasts of the Mediterranean Sea. Cilicia has a population ranging over six million, concentrated mostly at the Cilician plain (). The region inclu ...

along the river Lamos... According to the

Arab Arabs (, , ; , , ) are an ethnic group mainly inhabiting the Arab world in West Asia and North Africa. A significant Arab diaspora is present in various parts of the world. Arabs have been in the Fertile Crescent for thousands of years ...

geographers

Qudamah ibn Ja'far Qudāma ibn Jaʿfar al-Kātib al-Baghdādī (; c. 873 – c. 932/948), was a Syriac scholar and administrator for the Abbasid Caliphate. Life Little is known with certainty about Qudama's life and work. He was probably born ca. 873/874, possib ...

and

Ibn Khordadbeh Abu'l-Qasim Ubaydallah ibn Abdallah ibn Khordadbeh (; 820/825–913), commonly known as Ibn Khordadbeh (also spelled Ibn Khurradadhbih; ), was a high-ranking bureaucrat and geographer of Persian descent in the Abbasid Caliphate. He is the aut ...

, in the 9th century the ''kleisoura'' comprised Seleucia as capital and ten other fortresses, with 5,000 men, out of which 500 were cavalry. The ''kleisoura'' was raised to the status of a full theme sometime in the reign of

Romanos I Lekapenos Romanos I Lakapenos or Lekapenos (; 870 – 15 June 948), Latinisation of names, Latinized as Romanus I Lacapenus or Romanus I Lecapenus, was Byzantine emperor from 920 until his deposition in 944, serving as regent for and senior co-ruler of ...

(r. 920–944), most likely c. 927–934. According to the '' De Thematibus'' of Emperor

Constantine VII Constantine VII Porphyrogenitus (; 17 May 905 – 9 November 959) was the fourth Byzantine emperor of the Macedonian dynasty, reigning from 6 June 913 to 9 November 959. He was the son of Emperor Leo VI and his fourth wife, Zoe Karbonopsina, an ...

(r. 913–959), the theme was divided in two commands, one for the hinterland and a coastal/maritime one. The region fell into the hands of the

Seljuk Turks The Seljuk dynasty, or Seljukids ( ; , ''Saljuqian'',) alternatively spelled as Saljuqids or Seljuk Turks, was an Oghuz Turks, Oghuz Turkic, Sunni Muslim dynasty that gradually became Persianate society, Persianate and contributed to Turco-Persi ...

after the

Battle of Manzikert The Battle of Manzikert or Malazgirt was fought between the Byzantine Empire and the Seljuk Empire on 26 August 1071 near Manzikert, Iberia (theme), Iberia (modern Malazgirt in Muş Province, Turkey). The decisive defeat of the Byzantine army ...

in 1071. At the time, the mountainous interior of the region was predominantly inhabited by

Armenians Armenians (, ) are an ethnic group indigenous to the Armenian highlands of West Asia.Robert Hewsen, Hewsen, Robert H. "The Geography of Armenia" in ''The Armenian People From Ancient to Modern Times Volume I: The Dynastic Periods: From Antiq ...

who had settled there over the previous century. The Byzantines recovered the area and refortified Seleucia and

Corycus Corycus (; also transliterated Corycos or Korykos; ; , lit. "maiden castle") was an ancient city in Cilicia Trachaea, Anatolia, located at the mouth of the valley called Şeytan deresi; the site is now occupied by the town of Kızkalesi (for ...

in 1099/1100, after which it became anew the seat of a Byzantine military governor ('' doux''). It remained a Byzantine province until shortly after 1180, when it was conquered by the

Armenian Kingdom of Cilicia The Armenian Kingdom of Cilicia, also known as Cilician Armenia, Lesser Armenia, Little Armenia or New Armenia, and formerly known as the Armenian Principality of Cilicia, was an Armenian state formed during the High Middle Ages by Armenian ...

References

Sources

* * * * {{coord missing, Turkey Themes of the Byzantine Empire States and territories established in the 10th century Byzantine Anatolia