Nassau, Rhineland-Palatinate

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Nassau
Town
Coat of arms
Location of Nassau within Rhein-Lahn-Kreis district
Nassau Show map of Germany Nassau Show map of Rhineland-Palatinate
Coordinates: 50°18′57″N 7°48′08″E / 50.31583°N 7.80222°E / 50.31583; 7.80222
Country	Germany
State	Rhineland-Palatinate
District	Rhein-Lahn-Kreis
Municipal assoc.	Bad Ems-Nassau
Government
• Mayor (2019–24)	Manuel Liguori[1] (SPD)
Area
• Total	17.51 km2 (6.76 sq mi)
Elevation	100 m (300 ft)
Population  (2022-12-31)[2]
• Total	4,688
• Density	270/km2 (690/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal codes	56377
Dialling codes	02604
Vehicle registration	EMS, DIZ, GOH
Website	www.stadt-nassau.de

Nassau (/ˈnæsɔː/ NASS-aw, also UK: /ˈnæsaʊ/ NASS-ow, US: /ˈnɑːsaʊ/ NAHSS-ow, German: [ˈnasaʊ] ^ⓘ) is a town located in the German state of Rhineland-Palatinate. It lies on the lower course of the Lahn River, on the mouth of the Mühlbach, between Limburg an der Lahn and the spa town of Bad Ems, and is located in the Nassau Nature Park, surrounded by the Westerwald to the north and the Taunus to the south. The town is on the German-Dutch holiday road, the Orange Route. As of 2021, it had a population of 4,592.

As location of Nassau Castle and the former Stein and Heidenpütz castles, Nassau gave its name to the wider region surrounding it as well as to a prominent aristocratic dynasty, and through it, directly or indirectly to numerous other things worldwide, including: a sovereign state; a Prussian province; the Dutch royal house; the Luxembourgish ducal house; the capital of the Bahamas; one of the Cook Islands; and in the US, a county in Florida and a county in New York.