Mahler used to visit the surroundings of Caslav (Easlav, Caslau) until the death of both of his parents in 1889.
Čáslav is a town in eastern part of Central Bohemian Region of the Czech Republic.
The history of Čáslav begins after the year 800 with the founding of a citadel and settlement called Hrádek. Near Hrádek, a new town with huge square was founded by King Přemysl Otakar II in 1250. In 1421, Bohemian parliament debated in Čáslav and voted new a Hussite government. During the Thirty Years' War, in 1639 and 1642, Čáslav was devastated and burnt down by Swedish troops. In 1751 Čáslav became the centre of region (county). Čáslav Museum, one of the oldest regional museums in Bohemia was founded in 1864. In 1910, part of the cranium of famous Hussite general Jan Žižka z Trocnova was discovered in Čáslav parish church.