The historic town centre is well preserved and is protected by law as an urban monument zone.

The highest point, located on the northern municipal border, is the hill Volyňský vrch at 727 metres (2,385 ft) above sea level.

[9] The original owners of the Klášterec nad Ohří porcelain factory, the Princes of Thun und Hohenstein, were in 1945 expelled from Czechoslovakia along with the remaining ethnic German population.

Over the years, a number of settlements were attached to Klášterec nad Ohří, most of them only in the second half of the 20th century, some of then already as extinct villages.

[13] The I/13 road (part of the European route E442) from Karlovy Vary to Liberec passes through the town.

[14] The historic centre is made up of Dr. Eduarda Beneše Square with its surroundings, including the castle complex.

It is open to the public and it includes a porcelain museum, and large and dendrologically significant English-style park with the salla terrena (a one-storey summer house) and a set of chapels of the Seven Pains of the Virgin Mary from the 90s of the 17th century.