Teacher:In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Teacher: Now, understand the problem? Solve this instance: Illyria was an ancient region in the western part of today 's Balkan Peninsula .
Student:
In classical antiquity , Illyria ( ; , " Illyri ́ a " or , " Illyri ́ s " ; , see also : " Illyricum " ) was a region in the western part of the Balkan Peninsula inhabited by numerous tribes of people collectively known as the Illyrians .