Reifenstein Abbey was a Cistercian abbey near the present village of Kleinbartloff in the Eichsfeld in Thuringia, Germany.
Wikipedia https://en.wikipedia.org/wiki/Reifenstein_Abbey
Address 7 Klosterstraße, Reifenstein 37355, Germany
Coordinates 51°20'48.977" N 10°21'49.789" E