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

Byzantine The Byzantine Empire, also referred to as the Eastern Roman Empire or Byzantium, was the continuation of the Roman Empire primarily in its eastern provinces during Late Antiquity and the Middle Ages, when its capital city was Constantinopl ...

theme Theme or themes may refer to: * Theme (arts), the unifying subject or idea of the type of visual work * Theme (Byzantine district), an administrative district in the Byzantine Empire governed by a Strategos * Theme (computing), a custom graphical ...

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

Asia Minor Anatolia, tr, Anadolu Yarımadası), and the Anatolian plateau, also known as Asia Minor, is a large peninsula in Western Asia and the westernmost protrusion of the Asian continent. It constitutes the major part of modern-day Turkey. The re ...

(modern

Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a transcontinental country located mainly on the Anatolian Peninsula in Western Asia, with a small portion on the Balkan Peninsula in ...

), headquartered at Seleucia (modern

Silifke Silifke ( grc-gre, Σελεύκεια, ''Seleukeia'', la, Seleucia ad Calycadnum) is a town and district in south-central Mersin Province, Turkey, west of the city of Mersin, on the west end of Çukurova. Silifke is near the Mediterranean co ...

History

Late Antiquity Late antiquity is the time of transition from classical antiquity to the Middle Ages, generally spanning the 3rd–7th century in Europe and adjacent areas bordering the Mediterranean Basin. The popularization of this periodization in English ha ...

, the port of Seleucia was the chief city of the

Roman province The Roman provinces (Latin: ''provincia'', pl. ''provinciae'') 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 rule ...

of Isauria and seat of the ''

comes ''Comes'' ( ), plural ''comites'' ( ), was a Roman title or office, and the origin Latin form of the medieval and modern title "count". Before becoming a word for various types of title or office, the word originally meant "companion", either i ...

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

tourmarches A ''turma'' (Latin for "swarm, squadron", plural ''turmae''), (Greek: τούρμα) 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 di ...

'' and then under a ''

droungarios A ''droungarios'', also spelled ''drungarios'' ( el, δρουγγάριος, la, drungarius) and sometimes anglicized as Drungary, was a military rank of the late Roman and Byzantine empires, signifying the commander of a formation known as '' dr ...

'', 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, and

Cappadocia Cappadocia or Capadocia (; tr, Kapadokya), is a historical region in Central Anatolia, Turkey. It largely is in the provinces Nevşehir, Kayseri, Aksaray, Kırşehir, Sivas and Niğde. According to Herodotus, in the time of the Ionian Re ...

and the sea, and bordering on the

Abbasid Caliphate The Abbasid Caliphate ( or ; ar, الْخِلَافَةُ الْعَبَّاسِيَّة, ') was the third caliphate to succeed the Islamic prophet Muhammad. It was founded by a dynasty descended from Muhammad's uncle, Abbas ibn Abdul-Muttalib ...

's domains in

Cilicia Cilicia (); el, Κιλικία, ''Kilikía''; Middle Persian: ''klkyʾy'' (''Klikiyā''); Parthian: ''kylkyʾ'' (''Kilikiyā''); tr, Kilikya). is a geographical region in southern Anatolia in Turkey, extending inland from the northeastern coa ...

along the river Lamos... According to the

Arab The Arabs (singular: Arab; singular ar, عَرَبِيٌّ, DIN 31635: , , plural ar, عَرَب, DIN 31635: , Arabic pronunciation: ), also known as the Arab people, are an ethnic group mainly inhabiting the Arab world in Western Asia, ...

geographers

Qudamah ibn Ja'far Qudāma ibn Jaʿfar al-Kātib al-Baghdādī ( ar, قدامة بن جعفر الكاتب البغدادي; c. 873 – c. 932/948), was a Syriac scholar and administrator for the Abbasid Caliphate. Life Little is known with certainty about Qudama ...

and

Ibn Khordadbeh Abu'l-Qasim Ubaydallah ibn Abdallah ibn Khordadbeh ( ar, ابوالقاسم عبیدالله ابن خرداذبه; 820/825–913), commonly known as Ibn Khordadbeh (also spelled Ibn Khurradadhbih; ), was a high-ranking Persian bureaucrat and ...

, 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 Lekapenos ( el, Ρωμανός Λεκαπηνός; 870 – 15 June 948), Latinized as Romanus I Lecapenus, was Byzantine emperor from 920 until his deposition in 944, serving as regent for the infant Constantine VII. Origin Romanos ...

(r. 920–944), most likely c. 927–934. According to the '' De Thematibus'' of Emperor Constantine VII (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 ( ; fa, سلجوقیان ''Saljuqian'', alternatively spelled as Seljuqs or Saljuqs), also known as Seljuk Turks, Seljuk Turkomans "The defeat in August 1071 of the Byzantine emperor Romanos Diogenes by the Turk ...

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

Armenians Armenians ( hy, հայեր, '' hayer'' ) are an ethnic group native to the Armenian highlands of Western Asia. Armenians constitute the main population of Armenia and the ''de facto'' independent Artsakh. There is a wide-ranging diasp ...

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

References

Sources

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