Nauportus (Navport, Navportus), ancient Roman town in Pannonia Superior (later 10th Italian region) on road from Aquileia to Emona with port at Nauportus river what is now Ljubljanica River.
According to historian Pliny the Elder the name was derived from the legendary landing of the Argonauts at river, where they are said to have founded the town.
Tacitus reports that in year 14 town was plundered by mutinous roman forces that has been sent to build roads and bridges.
Remains of Nauportus in what is today Vrhnika were found. An Late Roman emporium with warehouses and a central market was located and excavated at river banks. Traces of Claustra Alpium Iuliarum system and of guarding tower and Late Roman castellum can be seen in Vrhnika and its vicinity.
- ^ Tacitus Annales, 1.20: Interea manipuli ante coeptam seditionem Nauportum missi ob itinera et pontes et alios usus, postquam turbatum in castris accepere, vexilla convellunt direptisque proximis vicis ipsoque Nauporto, quod municipii instar erat, ...
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Coordinates: 45°58′10.78″N 14°18′10.91″E / 45.9696611°N 14.3030306°E