Kartause Mainz
Mainz, Germany · built 1324
Mainz Charterhouse is a former Carthusian monastery, or charterhouse, in Mainz, Rheinland-Pfalz, Germany, demolished in 1790–1792 but still marked by the street-name "Karthaus".
Monastery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).