The Theme of Sirmium (Greek: Θέμα Σιρμίου) was a Byzantine administrative unit (theme), which existed in present-day Serbia, Croatia and Bosnia and Herzegovina in the 11th century. Its capital was Sirmium (today Sremska Mitrovica).
| Attributes | Values |
|---|---|
| rdfs:comment |
|
| foaf:name |
|
| foaf:depiction | |
| capital | |
| government type | |
| thumbnail |