An uncertain region on the east shore of the Adriatic where an ancient Indo-European people once lived WordNet 3.0 & Open English WordNet

In classical antiquity, Illyria was a region in the western part of the Balkan Peninsula inhabited by numerous tribes of people collectively known as the Illyrians. Illyrians spoke the Illyrian language, an Indo-European language, which in ancient times perhaps also had speakers in some parts of Southern Italy. Wikipedia

Historical region in Southeastern Europe, inhabited in antiquity by the Illyrians. Wikipedia Disambiguation

The historical region on the Balkan Peninsula Wikipedia Disambiguation

A region in Southeastern Europe in classical antiquity, inhabited by ancient Illyrians Wikipedia Disambiguation

Classical region in the western part of the Balkan Peninsula Wikidata

A region in Southeast Europe, the western part of what is now the Balkan Peninsula that was inhabited by the Illyrians, ancient Indo-European people. Wiktionary

Region in the Balkan Peninsula. Wiktionary (translation)