Helmarshausen Abbey was a Benedictine monastery situated in the small town of Helmarshausen, now part of Bad Karlshafen in Hesse, Germany.
Wikipedia https://en.wikipedia.org/wiki/Helmarshausen_Abbey
Address 6 Poststraße, Helmarshausen 34385, Germany
Coordinates 51°37'48.924" N 9°27'12.845" E