​JOHANNISBERG, a village of Germany, in the Prussian province of Hesse-Nassau, in the Rheingau, on the right bank of the Rhine, 6 m. S. of Rüdesheim by railway. The place is mainly celebrated for the beautiful Schloss which crowns a hill overlooking the Rhine valley, and is surrounded by vineyards yielding the famous Johannisberger wine. The Schloss, built in 1757–1759 by the abbots of Fulda on the site of a Benedictine monastery founded in 1090, was bestowed, in 1807, by Napoleon upon Marshal Kellermann. In 1814 it was given by Francis, emperor of Austria, to Prince Metternich, in whose family it still remains.