Konstanz Minster or Konstanz Cathedral is a historical building in Konstanz, southern Germany, the proto-cathedral of the former Roman Catholic diocese of Konstanz.
Wikipedia https://en.wikipedia.org/wiki/Konstanz_Minster
Official Website https://www.konstanz-kirche.de/html/muenster_unserer_lieben_frau332.html
Phone +49 7531 90620
Coordinates 47°39'48.071" N 9°10'33.418" E