Question: The Lopsi Liburnian tribe inhabited the mountains along the eastern coast of the Adriatic before and during this Empire and had the largest City in the world between which years?
Sentence (from "Roman Empire"): "Basileia tōn Rhōmaiōn" ) was the post-Roman Republic period of the ancient Roman civilization, characterized by government headed by emperors and large territorial holdings around the Mediterranean Sea in Europe, Africa and Asia.
Relevant evidence: No