Taunusstein is the biggest town in the Rheingau-Taunus-Kreis in the Regierungsbezirk of Darmstadt in Hesse, Germany. It consists of more than 29,000 inhabitants.
Taunusstein lies roughly 10 km northwest of Wiesbaden and about 10 km west of Idstein and the Autobahn A 3. It is part of the Untertaunus (lower Taunus) range.
Taunusstein itself is a rural area and is about 30 km from the river Rhine. The lowest point in Taunusstein is 310 m above sea level, and the highest 613.9 m.
Taunusstein borders in the north on the communities of Hohenstein and Hünstetten and the town of Idstein, in the east on the community of Niedernhausen, in the south on the district-free city of Wiesbaden and in the west on the community of Schlangenbad and the town of Bad Schwalbach.
Taunusstein is made up of ten Stadtteile:
The town of Taunusstein came into being on 1 October 1971 through the merger of the formerly self-governing communities of Bleidenstadt, Hahn, Neuhof, Seitzenhahn, Watzhahn and Wehen, whereupon Taunusstein was also given town rights. On 1 July 1972, the communities of Hambach, Niederlibbach, Orlen and Wingsbach were amalgamated into the town of Taunusstein.