Dardania was the region of the Dardani .
Located at the Thraco-Illyrian

Thraco-Illyrian

Thraco-Illyrian refers to a hypothesis that the Thraco-Dacian and Illyrian languages comprise a distinct branch of Indo-European. Thraco-Illyrian is also used as a term merely implying a Thracian-Illyrian interference, mixture or sprachbund, or as a shorthand way of saying that it is not...

 contact zone, their identification as either an Illyrian

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...

 or Thracian

Thracians

The ancient Thracians were a group of Indo-European tribes inhabiting areas including Thrace in Southeastern Europe. They spoke the Thracian language – a scarcely attested branch of the Indo-European language family...

 tribe is uncertain. Their territory itself was not considered part of Illyria

Illyria

In classical antiquity, Illyria was a region in the western part of the Balkan Peninsula inhabited by the Illyrians....

 by Strabo

Strabo

Strabo, also written Strabon was a Greek historian, geographer and philosopher.-Life:Strabo was born to an affluent family from Amaseia in Pontus , a city which he said was situated the approximate equivalent of 75 km from the Black Sea...

. The term used for their territory was , while for other tribes had more unspecified terms, such as for the Autariatae

Autariatae

The Autariatae or Autariates were an ancient people that eventually became the most powerful Illyrian tribe. Their territory was called...

. Other than that, little to no data exists on the territory of the Dardanii prior to Roman conquest, especially on its southern extent.

The region was inhabited by Illyrians

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...

, Celts and Thracians

Thracians

The ancient Thracians were a group of Indo-European tribes inhabiting areas including Thrace in Southeastern Europe. They spoke the Thracian language – a scarcely attested branch of the Indo-European language family...

.