Serbinum

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

All mentioned forms of the name (including Serbinon, Serbinum, Servitium, Seruitio, Servitii, and Serbitium) refer to a single place, which is identified as present-day Gradiška.

The settlement is primarily believed to have been located on the right bank of the river Savus, but there was also a corresponding settlement on the left bank, near today's Stara Gradiška that some modern-day local sources also identify as Servitium.

In Roman times, the Municipium Servicium was an important crossroad between the east and the south of the Balkans, i.e. a port for the Roman river fleet, which speaks for itself about the strategic importance of the settlement at the time.

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