Illyro-Roman is a term used to describe the Romanized Illyrian population

Illyrians

The Illyrians were a group of tribes who inhabited part of the western Balkans in antiquity and the south-eastern coasts of the Italian peninsula...

 within the ancient Roman province

Roman province

In Ancient Rome, a province was the basic, and, until the Tetrarchy , largest territorial and administrative unit of the empire's territorial possessions outside of Italy...

s of Illyricum

Illyricum (Roman province)

The Roman province of Illyricum or Illyris Romana or Illyris Barbara or Illyria Barbara replaced most of the region of Illyria. It stretched from the Drilon river in modern north Albania to Istria in the west and to the Sava river in the north. Salona functioned as its capital...

, Moesia

Moesia

Moesia was an ancient region and later Roman province situated in the Balkans, along the south bank of the Danube River. It included territories of modern-day Southern Serbia , Northern Republic of Macedonia, Northern Bulgaria, Romanian Dobrudja, Southern Moldova, and Budjak .-History:In ancient...

 and Dardania. The remnants of the Illyro-Romans were absorbed into successive waves of settlers to the Balkans

Balkans

The Balkans is a geopolitical and cultural region of southeastern Europe...

.

The Illyrian tribes were considered barbarians by both the Romans in Italy and the Hellenic peoples in the Southern Balkans. The conquest of Illyria in 168BC, along with that of Epirus, consolidated the Roman domain over the Adriatic Sea. However, the Romanization of these barbarian peoples eventually transformed them into the most valuable soldiers of the Late Roman Army, with a substantial portion of the officials and generals coming from a northern balkanic background, such as Illyria, Dalmatia, Pannonia and Moesia. In fact, most of the successful Roman Emperors, during and after the Crisis of the Third Century

Crisis of the Third Century

The Crisis of the Third Century was a period in which the Roman Empire nearly collapsed under the combined pressures of invasion, civil war, plague, and economic depression...

 were Illyro-Romans, examples include Claudius II Gothicus, Aurelian

Aurelian

Aurelian , was Roman Emperor from 270 to 275. During his reign, he defeated the Alamanni after a devastating war. He also defeated the Goths, Vandals, Juthungi, Sarmatians, and Carpi. Aurelian restored the Empire's eastern provinces after his conquest of the Palmyrene Empire in 273. The following...

, Probus and Constantine

Constantine I

Constantine the Great , also known as Constantine I or Saint Constantine, was Roman Emperor from 306 to 337. Well known for being the first Roman emperor to convert to Christianity, Constantine and co-Emperor Licinius issued the Edict of Milan in 313, which proclaimed religious tolerance of all...

, amongst others, the so called Illyrian emperors

Illyrian emperors

The Illyriciani or Illyrian emperors were a group of Roman emperors during the Crisis of the Third Century who hailed from the region of Illyricum , and were raised chiefly from the ranks of the Roman army...

.