5 Sights in Nassau (Lahn), Germany (with Map and Images)

Heinrich Friedrich Karl vom und zum Stein, commonly known as Baron vom Stein, was a Prussian statesman who introduced the Prussian reforms, which paved the way for the unification of Germany. He promoted the abolition of serfdom, with indemnification to territorial lords; subjection of the nobles to manorial imposts; and the establishment of a modern municipal system.

Wikipedia: Heinrich Friedrich Karl vom und zum Stein (EN)

Nassau Castle, located in Nassau, Rhineland-Palatinate, Germany, was the original seat of the House of Nassau. The ruins of the castle are situated on a rock outcropping about 120 m (390 ft) above the Lahn River. The House of Nassau was an aristocratic dynasty among whose descendants are the present-day monarchy of the Netherlands and Luxembourg.

Wikipedia: Nassau Castle (EN)

Heidenpütz Castle is the stable of a rampart castle on a ridge near Nassau in Rhineland-Palatinate. It is located in line of sight to Nassau Castle directly above the Langauer Mill in the Nassau district of Scheuern. The complex is not dated, but the design indicates that it was built in the early Middle Ages.

Wikipedia: Burg Heidenpütz (DE)

The Steinsche Castle is a city palace in the center of Nassau in Rhineland-Palatinate. It served as the seat of the Reichsritter family from the stone. Among other things, the Prussian Minister of Reform Heinrich Friedrich Karl from and to the stone grew up there.

Wikipedia: Steinsches Schloss (Nassau) (DE)

Steinsche Burg is a ruined hilltop castle near the town of Nassau in the Rhein-Lahn district in Rhineland-Palatinate, Germany. It lies below Nassau Castle between the valleys of the Lahn and the Mühlbach.

Wikipedia: Stein’sche Burg (DE)