Berginium was an Illyrian town, near

Servitium Serbinum, also known as Servitium or Servicium, was an ancient Roman Empire, Roman city in the province of Pannonia. It was situated in the location of present-day Gradiška, Bosnia and Herzegovina, Gradiška in northern Bosnia and Herzegovina. S ...

in present-day

Bosnia and Herzegovina Bosnia and Herzegovina ( sh, / , ), abbreviated BiH () or B&H, sometimes called Bosnia–Herzegovina and often known informally as Bosnia, is a country at the crossroads of south and southeast Europe, located in the Balkans. Bosnia and H ...

References

Illyrian Language
The Cambridge Ancient History Illyrian Bosnia and Herzegovina Roman towns and cities in Bosnia and Herzegovina Cities in ancient Illyria {{Gradiška-geo-stub