Konstantinovy Láznà() is a spa municipality and village in Tachov District in the Plzeà  Region of the Czech Republic. It has about 900 inhabitants.
Konstantinovy Láznàconsists of eight municipal parts (in brackets population according to the 2021 census):
Konstantinovy Láznàis located about northeast of Tachov and northwest of Plzeà Â. It lies in the Plasy Uplands. The highest point is the hill Hradià ¡à ¥ský kopec at above sea level. The stream ÃÂterský potok flows through the eastern part of the municipal territory.
Konstantinovy Láznàwas established in 1803, when the spa was built, and is the youngest village in the region. However, it only became an independent municipality in 1924. Until World War II, Konstantinovy Láznàhad German majority. After the war, the German-speaking people were expelled.
The local spa focuses on the treatment of cardiovascular diseases and diseases of the musculoskeletal system. The clients of the spa are treated with balneotherapy. The Konstantinovy Láznàspring has the highest content of free carbon dioxide in the Czech Republic.
Konstantinovy Láznàis located on the railway line RadniceâÂÂBezdruà ¾ice via Plzeà Â.
A landmark of Konstantinovy Láznàis the Church of Our Lady of Lourdes. It was built in 1899 as a chapel. In 2000, it became a church.
The Church of the Nativity of Saint John the Baptist is located in Okrouhlé Hradià ¡tÃÂ. It was originally a medieval church, rebuilt in the Baroque style and then in the second half of the 19th century.
The Church of Saint Barbara is located in à  ipÃÂn. The original church was built in the Gothic style in the 14th century, but at the beginning of the 18th century, it was in a desolate state. The current late Baroque church was built on its site in the second half of the 18th century. The tower was rebuilt in the Neo-Romanesque style in the mid-19th century.
The ruins of the Gutà ¡tejn Castle are located in the southern part of the municipal territory. It was founded in the early 14th century, but from the mid-16th century, it has uninhabited. A few walls and a bergfried have been preserved.
On the hill Hradià ¡à ¥ský kopec is the gord Hradià ¡à ¥ský vrch, dating from Late Bronze Age. It was once the second largest gord in western Bohemia. It is significant for its area of and the density of archaeological finds. For its value, this archaeological site is protected as a national cultural monument.