FrancophonIA/Vikidia-EnFr huggingface dataset:
Mainz is a German city. It is the capital of the state of Rhineland-Palatinate.

Mainz is on the left side of the river Rhine, on the right side is the city Wiesbaden. Mainz has about 203,000 people. Its main economic product is wine. It has an oceanic climate (Cfb in the Koeppen climate classification).

Mainz has some universities: