Pannonians
The Pannonians were a group of related tribes who inhabited the region of Pannonia, a territory that largely corresponds to modern-day Hungary, western Romania, eastern Austria, northern Serbia, northern Croatia, northwestern Slovenia, and northern Bosnia and Herzegovina. Their origins are believed to be Indo-European, possibly related to Celtic or Illyrian groups, though their precise linguistic and ethnic classification remains a subject of scholarly debate.
By the 4th century BCE, the Pannonians were a significant presence in the region, engaging in trade
Under Roman rule, Pannonian society underwent significant Romanization. Many Pannonians adopted Roman customs, language, and administrative