Roman amphitheatre of Trier
Trier, Germany
The Trier Amphitheater is a Roman amphitheater in Trier, Germany. It is designated as part of the Roman Monuments, Cathedral of St. Peter and Church of Our Lady in Trier UNESCO World Heritage Site as a testimony to the importance of Trier as a major Roman city north of the Alps.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).