Conversation so far:
When did the Hellenistic period take place?
The Hellenistic period covers the period of Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire.
Where were the Illyrian tribes located?
The Illyrians were a group of Indo-European tribes in antiquity, who inhabited part of the western Balkans.
Did the Illyrian tribes have a Ruler/King/President?
Illyria remained in the eastern empire which was later referred to as the Byzantine Empire. The early Byzantine Empire was predominantly ruled by emperors.
Were the Illyrians peaceful or warlike?
The history of Illyrian warfare and weaponry concerns the armed conflicts of the Illyrian tribes and their kingdoms in the Balkan Peninsula.
Were there any other wars fought by the Illyrians besides the ones in the Balkan Peninsula?
The Illyrians were a notorious seafaring people with a strong reputation for piracy.

Question: What happened after these wars?
Self-contained rewrite: What happened to the Illyrians after their wars?