Trier
In short
Trier is a historic city in Rhineland-Palatinate, Germany, situated on the banks of the Moselle river near the Luxembourg border.
In plain words
It is one of Germany's oldest cities and is famous for its well-preserved Roman ruins. The city sits in a valley surrounded by hills used for growing grapes.
A simple example
Visitors often walk through the Porta Nigra, which is a massive ancient Roman city gate that still stands today.
Why it matters
As a former Roman capital, it holds immense archaeological importance for European history. It also serves as a key hub for the Moselle wine region.
Easy to mix up
Do not confuse it with Treves, which is simply the older English name for the same city.