Asseria is the name of an ancient hillfort settlement located at Podgrađe, Benkovac around 30 kilometres east of Zadar in Croatia.

The hillfort has traces of human residence from prehistory to the late Roman period.

[1] In pre-Roman times Asseria was an important centre in south Liburnia for the Asseriates tribe.

[1] In the 1st century AD it became a Roman military post which then developed into a market centre.

[2] Parts of Asseria's city walls have survived, as well as a triumphal arch erected in 113 AD during the time of Trajan.