Nassau, Rhineland-Palatinate

Nassau is a town located in the German state of Rhineland-Palatinate. It rains throughout the year in the region and the city is situated next to a river. It lies in the valley of the river Lahn between the towns of Bad Ems and Limburg an der Lahn. Nassau was the seat of the former Verbandsgemeinde Nassau, and is part of the Nassau Nature Park. The town is on the German-Dutch holiday road, the Orange Route. As of 2017, it had a population of 4,521.

Nassau gave its name to the prominent royal House of Nassau and directly or indirectly to numerous geographical entities, including a sovereign state, the Duchy of Nassau, the Prussian province of Hesse-Nassau, the historical and geographical region Nassau, Nassau County, New York, and the capital city of Nassau, Bahamas. Historically, Long Island in New York State was also called Nassau though the name passed out of use.