Category
page 1Themes of the Byzantine Empire
theme of the Byzantine Empire
Byzantine district
Anatolic Theme
theme of the Byzantine empire
Armeniac Theme
Theme of the Byzantine empire
Cherson
Byzantine theme (administrative district)
Macedonia Theme
Byzantine district (theme)
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Longobardia
Longobardia (, also variously Λογγιβαρδία, Longibardia and Λαγουβαρδία, Lagoubardia) was a Byzantine term for the territories controlled by the Lombards in the Italian Peninsula. In the ninth and tenth centuries, it was also the name of a Byzantine military-civilian province (or thema) known as the Theme of Longobardia located in southeastern Italy.
Bulgaria
province of the Byzantine Empire established by Emperor Basil II
Dalmatia
Byzantine province

Opsikion
The Opsician Theme (, thema Opsikiou) or simply Opsikion (Greek: , from ) was a Byzantine theme (a military-civilian province) located in northwestern Asia Minor (modern Turkey). Created from the imperial retinue army, the Opsikion was the largest and most prestigious of the early themes, being located closest to Constantinople. Involved in several revolts in the 8th century, it was split in three after , and lost its former pre-eminence. It survived as a middle-tier theme until after the Fourth Crusade.
Chaldia
Chaldia (, Khaldia) was a historical region located in the mountainous interior of the eastern Black Sea, northeast Anatolia (modern Turkey) in Western Asia. Its name was derived from a people called the Chaldoi (or Chalybes) that inhabited the region in antiquity. Chaldia was used throughout the Byzantine period and was established as a formal theme, known as the Theme of Chaldia (Greek: θέμα Χαλδίας), by 840. During the Late Middle Ages, it formed the core of the Empire of Trebizond until its fall to the Ottoman Empire in 1461.
Sicily Theme
Byzantine province
Dyrrhachium
Byzantine district (theme)
Charsianon
Charsianon () was the name of a Byzantine fortress and the corresponding theme (a military-civilian province) in the region of Cappadocia in eastern Anatolia (modern Turkey).
Cibyrrhaeot
Byzantine district (theme)
Cyprus
Byzantine administrative unit (theme)
Mesopotamia
Byzantine district (theme)
Bucellarian Theme
Theme of the Byzantine empire
Lykandos
Lykandos or Lycandus (), known as Djahan in Armenian, was the name of a Byzantine fortress and military-civilian province (or "theme"), known as the Theme of Lykandos (θέμα Λυκανδοῦ), in the 10th–11th centuries.
Thessalonica
Byzantine district (theme)
Sirmium
Byzantine administrative unit (theme)
Iberia
administrative and military division of the Byzantine Empire during the 11th century. Created from different conquered territories in Georgia and Armenia by Emperor Basil II
Paphlagonia
Byzantine administrative unit (theme)
Thrace
Byzantine district (theme)
Hellas
Byzantine military-civilian province (theme)
Optimatoi
The Optimatoi (, from , "the Best Men") were initially formed as an elite Byzantine military unit. In the mid-8th century, however, they were downgraded to a supply and logistics corps and assigned a province (thema) in north-western Asia Minor, which was named after them. As an administrative unit, the 'Theme of the Optimatoi''' (, thema Optimatōn'') survived until the Ottoman conquest in the first decades of the 14th century.
Paristrion
Paristrion (), or Paradounabon/Paradounabis (), which is preferred in official documents, was a Byzantine province covering the southern bank of the Lower Danube (Moesia Inferior) in the 11th and 12th centuries.
Samos
Byzantine district (theme)
Thracesian Theme
Byzantine district (theme)
Aegean Sea
Byzantine province in the northern Aegean Sea
Sebasteia
theme of the Byzantine Empire
Cappadocia
Byzantine thema
Seleucia
theme of the Byzantine Empire
Nicopolis
Byzantine district (theme)
Cephallenia
Byzantine district (theme)
Peloponnese
Byzantine military-civilian province c 800 CE
Koloneia
Byzantine district (theme)
Strymon
Byzantine district (theme)
Byzantine Crete
Province of the Byzantine Empire
Lucania
Byzantine province in southern Italy
Boleron
thumb|Seal of Andronikos, protospatharios and [[krites of Boleron, Strymon, and Thessalonica]]
Boleron () was the name of a region and a Byzantine province in southwestern Thrace during the Middle Ages.
Neokastra
Neokastra (, "new fortresses", formally θέμα Νεοκάστρων; in Latin sources Neocastri or Neochastron) was a Byzantine province (theme) of the 12th–13th centuries in north-western Asia Minor (modern Turkey).
Mylasa and Melanoudion
theme of the Byzantine Empire
Dryinopolis
Dryinopolis or Dryinoupolis () is a historical region in southwestern Albania and northwestern Greece in Epirus. The heartland of this region is the valley of the Drino (Greek: Drinos) river and Dropull/Dropolis. A Greek-Orthodox bishopric under this name was established at 449 AD as well as a theme (district) of the Byzantine Empire and the Despotate of Epirus (10th-14th century). Today the name of Dryinopolis is preserved in the local metropolitan bishopric of the Church of Greece for the Greek part of the region, while the Albanian part is under the religious jurisdiction of the metropolis
Byzantine Sardinia
history of Sardinia under Byzantine rule (534–11th century)