Valeč consists of five municipal parts (in brackets population according to the 2021 census):[2] The name is derived from the personal name Válek (a variation of the name Valentin), who resided here.

The highest point of the municipal territory is the hill Prokopy, at 749 metres (2,457 ft) above sea level.

[4] The castle underwent significant change in the time of Prince Johann Christoph Kager at the turn of the 17th and 18th century.

[4] He also laid out the castle garden, equipped it with theater, cascading fountain and sculptures by the renowned Matthias Braun.

In its courtyard is also located the Holy Trinity Column by František Maxmilián Kaňka, created in 1725.

In 1937, Jan Larisch-Mönnich purchased Valeč, repairing the roof and cracks in the walls, and installing central heating.

In 1945, based on the Beneš decrees, the palace was confiscated and handed over to the management of the organization of political prisoners.

[7] The Church of the Nativity of Saint John the Baptist was originally built in the Gothic style in the mid-13th century.