The Theme of Sirmium (Greek: θέμα Σιρμίου) was a Byzantine administrative unit (theme), which existed in present-day Serbia, Croatia and Bosnia and Herzegovina...

pronunciation: [srêːmskaː mîtroʋitsa]; Serbian Cyrillic: Сремска Митровица, Latin: Sirmium) is a city in Serbia. It is situated on the left bank of the Sava river...

The themes or thémata (Greek: θέματα, thémata, singular: θέμα, théma) were the main military and administrative divisions of the middle Byzantine Empire...

The word "Syrmia" is derived from the ancient city of Sirmium (now Sremska Mitrovica). Sirmium was a Celtic or Illyrian town founded in the third century...

(567-582), first rule of the Byzantine Empire in the region of Syrmia Sirmium (theme), second rule of the Byzantine Empire in the region of Syrmia, from...

mopping up the last remaining centres of Bulgarian resistance. He took Sirmium and was named its commander (archon); his authority extended over the vassal...

during the reign of Emperor Diocletian. The capital of the province was Sirmium (today Sremska Mitrovica). Pannonia Secunda comprised parts of present-day...

dynasty Shishman of Vidin Shumen fortress Silistra, Battle of Simeon I Sirmium, Theme of Sırp Sındığı, Battle of Slavs Slavs, South Skafida, Battle of Skopje...

present-day Syrmia region of Serbia in the 6th century. Its capital was Sirmium (modern-day Sremska Mitrovica). It differed significantly in its area from...

Late Roman Empire. The seat of the vicarius (governor of the diocese) was Sirmium. It was originally part of the praetorian prefecture of Italy and was incorporated...