Twin Cities of Apulum, Alba Iulia

  Timacum Minus, Knjaževac

  Siscia, Sisak

  Sirmium, Sremska Mitrovica

  Sexaginta Prista, Ruse

  Roman Tomb Chapel, Pecs

  Roman Legion Camp Novae, Svishtov

  Kaleto Fortress, Belogradchik

  Histria, Constanta

  Felix Romuliana, Zaječar

  Diana, Iron Gate, Kladovo

  Colonia Ulpia Traiana Augusta Dacica, Sarmizegetusa

  Andautonia, Zagreb

  Pula, Brijuni

  Twin Cities of Apulum, Alba Iulia

  Timacum Minus, Knjaževac

  Siscia, Sisak

  Sirmium, Sremska Mitrovica

  Sexaginta Prista, Ruse

  Roman Tomb Chapel, Pecs

  Roman Legion Camp Novae, Svishtov

  Kaleto Fortress, Belogradchik

  Histria, Constanta

  Felix Romuliana, Zaječar

  Diana, Iron Gate, Kladovo

  Colonia Ulpia Traiana Augusta Dacica, Sarmizegetusa

  Andautonia, Zagreb

  Pula, Brijuni

For a brief historical moment, somewhere between the 2nd and the 4th century, the political center of the Roman Empire was not in Rome, but on the northern Danube frontier, which was maintained by a constant military presence. This necessitated the personal, on-site leadership of Roman emperors at critical moments. Consequently, the provinces located on the borders of the empire became the focal point of imperial administration.

The Danube Trail is conceptually rooted in the factors which drew Roman emperors to be physically present and militarily active along the northern frontier of the Empire. It encompasses archaeological sites with their individual histories, which are monuments to the leadership of the Roman emperors during the period of the late Empire.

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