Treverorum

Treverorum is the Latin toponym historically used for Augusta Treverorum, the Roman name for the city of Trier, located on the Moselle in present-day Rhineland-Palatinate, Germany. The form Treverorum derives from Treveri, the Gaulish tribe inhabiting the region, with Augusta Treverorum meaning the “Augustan City of the Treveri.” The name appears in inscriptions and early imperial texts as the capital of the Roman province of Gallia Belgica and, later, a significant urban center in the later empire.

Founded or reorganized by the Romans around 16–13 BCE, Augusta Treverorum developed into a major administrative and economic hub. It served as the provincial capital of Gallia Belgica and later played an important role in the western Roman provinces, maintaining imperial institutions, a theatre, baths, and a forum. In late antiquity, Trier remained a prominent Christian center and continued to influence religious life in the region as the seat of a bishopric that is among the oldest in Germany.

Today, Trier preserves a substantial Roman monumental heritage, including the Porta Nigra, the Imperial Baths, and the Aula Palatina (the Basilica of Constantine). Its later medieval and early modern architecture, exemplified by Trier Cathedral (St. Peter) and the Church of Our Lady, contributes to its historic character. In 1986, the city's Roman monuments, together with its cathedrals, were inscribed as a UNESCO World Heritage Site under the designation Roman Monuments, Cathedral of Saint Peter and Church of Our Lady in Trier.

In scholarly usage, Treverorum may refer to the city itself or to the territory of the Treveri. The term remains common in Latin inscriptions and classical literature when discussing Trier’s Roman and late antique past.