Wiesbaden (German pronunciation: [ˈviːsˌbaːdn̩] (listen)) is a city in central western Germany and the capital of the state of Hesse. As of June 2020, it had 290,955 inhabitants, plus approximately 21,000 United States citizens (mostly associated with the United States Army). The Wiesbaden urban area is home to approximately 560,000 people. Wiesbaden is the second-largest city in Hesse after Frankfurt am Main.
The city, together with nearby Frankfurt am Main, Darmstadt, and Mainz, is part of the Frankfurt Rhine Main Region, a metropolitan area with a combined population of about 5.8 million people.
Wiesbaden is one of the oldest spa towns in Europe. Its name translates to "meadow baths", a reference to its famed hot springs. It is also internationally famous for its architecture and climate—it is also called the "Nice of the North" in reference to the city in France. At one time, Wiesbaden had 26 hot springs.