All Saints' Abbey was a Premonstratensian monastery near Oppenau in the Black Forest in Baden-Württemberg, Germany.
Wikipedia https://en.wikipedia.org/wiki/All_Saints'_Abbey_(Baden-Württemberg)
Address 6 Allerheiligen, Allerheiligen 77728, Germany
Coordinates 48°32'14.999" N 8°11'39.218" E