| Theme of Cephallenia θέμα Κεφαλληνίας | |
|---|---|
| Theme of the Byzantine Empire | |
| mid/late 8th century–1185 | |
&sq=Qlik&lang=&file=File:Byzantine_Greece_ca_900_AD.svg) Map of Byzantine Greece ca. 900 AD, with the themes and major settlements. | |
| Capital | Cephallenia |
| Historical era | Middle Ages |
• Establishment as a theme | mid/late 8th century |
• Sicilian conquest | 1185 |
| Today part of | Greece |
The Theme of Cephallenia or Cephalonia (Greek: θέμα Κεφαλληνίας/Κεφαλονίας, thema Kephallēnias/Kephalonias) was a Byzantine theme (a military-civilian province) located in western Greece, comprising the Ionian Islands, and extant from the 8th century until partially conquered by the Kingdom of Sicily in 1185.