The largest hot spring city in Czech Republic is Caroville, located in the center of Europe. It is located in the west of Czech Republic. It has a history of 600 years. More than 2 million tourists are received every year. Many celebrities such as Charles IV, Peter the Great, Goethe, Marx, Smetana and so on have been here. When the Black Death raged in Europe, no one died here, thanks entirely to these magical springs. At present, there are 12 hot springs in use, and the temperature is between 3573 C. In 1938, Hitler made a speech here, encouraging local integration into Germany and driving out Jews and Czechs.