Illyris in the context of "Byllis"

Oricum (Ancient Greek: Ὤρικον, Ὤρικος or Ὠρικός; Latin: Oricum or Oricus; Albanian: Oriku or Orikum) was a harbor on the Illyrian coast that developed in an Ancient Greek polis at the south end of the Bay of Vlorë on the southern Adriatic coast. It was located at the foot of the Akrokeraunian Mountains, the natural border between ancient Epirus and Illyria. Oricum later became an important Roman city between the provinces of Epirus Vetus and Epirus Nova in Macedonia. It is now an archaeological park of Albania, near modern Orikum, Vlorë County. Oricum holds such a strategic geographical position that the area has been in continuous usage as a naval base from antiquity to the present-days.

It appears that the site of Oricum was uninhabited before the 6th century BC. In the early period contacts between the Greeks and the local Illyrians were evidently absent in the hinterland of the site. Early Greek sources describe Orikos as a harbor (Greek: λιμήν, limen). Findings from the proto-urban period in Orikos provide evidence of extensive contacts primarily with the Greek world. Like other ports of southern Illyria, the site of Orikos was a place of exchange of products and a meeting point between the outside world and the Illyrians located in the hinterland. In the Classical period Orikos was likely part of the peraia of Korkyra.

Amantia (Ancient Greek: Ἀμάντια, Ἀβάντια; Latin: Amantia) was an ancient city and the main settlement of the Amantes, traditionally located in southern Illyria in classical antiquity. In Hellenistic times the city was either part of Illyria or Epirus. In Roman times it was included within Epirus Nova, in the province of Macedonia. The site has been identified with the village of Ploçë, Vlorë County, Albania. Amantia was designated as an archaeological park on 7 April 2003 by the government of Albania.

The massive walls of Amantia were built before the end of the 4th century BC, and literary sources report them as an Illyrian rather than Epirote or Macedonian foundation. Later Amantia acquired the trappings of a Hellenistic town. In 230 BC Amantia became part of the Koinon Epirus. Amantia received sacred ancient Greek envoys, known as theoroi, around the early 2nd century BC, which only cities that were considered Greek were eligible to receive. The time duration that passed before Illyrian cities were documented on a list of theorodokoi clarifies that acculturation did take place in southern Illyria; however, it indicates that the process was gradual.