xrayman67 has it, it is the "Kloster Eberbach" along the Rhine river in Germany. They are no longer an active abbey, but they still produce excellent Rieslings and Umberto Eco's book "The Name of Rose" (an excellent albeit difficult to read book) was filmed here (featuring Sean Connery, Christian Slater and Ron Perlman among others) and this would have been my last and final clue, added here for your entertainment: