Towns assigned with certainty to the Hirpini include: Beneventum, Aeclanum, Abellinum, Compsa, Aquilonia, Romulea, Trivicum, Equus Tuticus, and Murgantia.
The main centres of the Hirpini were Malies or Maloenton (modern Benevento), Romulea (Bisaccia), Compsa (Conza), Aquilonia, Lacedonia and Abellinum (Avellino).
Umbrius Primus was a member of the gens Umbrii Primi which hailed from Compsa (known today as Conza della Campania).