Schönau Abbey is a monastery in the Roman Catholic Diocese of Limburg on the outskirts of the municipality of Strüth in the Rhein-Lahn district, Rhineland-Palatinate, Germany. It is often referred to as Schönau Abbey of Nassau (because it was founded by the House of Nassau and was located in their lands) or Schönau Abbey in Taunus, in order to differentiate it from the other Schönau Abbey in Baden-Württemberg. This Schönau Abbey is most well known as the convent of St.