Rheingau-Taunus-Kreis

Rheingau-Taunus is a Kreis (district) in the west of Hesse, Germany. Rheingau-Taunus-Kreis is part of the Darmstadt region; its main administrative seat is Bad Schwalbach. Outposted sections of the local administration are located in Idstein and Rüdesheim am Rhein. Neighbouring districts are the Hessian districts of Limburg-Weilburg, Hochtaunuskreis, Main-Taunus-Kreis, district-free Wiesbaden and Mainz-Bingen and Rhein-Lahn which are located in Rhineland-Palatinate. History From 983 to 1803, the Rheingau area belonged to the Electorate of Mainz and was then merged into the new Duchy of Nassau. The Untertaunus region was part of the Earldom of Katzenelnbogen. From 1816 onward, the whole area of the district became part of the Duchy of Nassau. After the 1866 Austro-Prussian war, Nassau was annexed by Prussia and formed the new province of Hesse-Nassau.