The town is located in the Ore Mountain Mining Region, a UNESCO World Heritage Site, and during the late Middle Ages it was one of the world-leading producers of tin and silver.

[2] The centre of Krupka is well preserved and is protected by law as an urban monument zone.

[6] In the 17th century, problems with mining activities began to appear, and tin sales were stuck.

[6] In the 19th century, the economic centre moved to neighbouring Bohosudov with the establishment of new factories and lignite mines.

From 1938 to 1945, Krupka was annexed by Nazi Germany and administered as part of the Reichsgau Sudetenland.

[6] Two railway lines passes through Krupka: Děčín–Kadaň and Ústí nad Labem – Litvínov.

[9] The town is home to the association football team FK Krupka, which plas in lower amateur tiers.

[12] The historic centre of Krupka is made up of Husitská Street, formerly the seat of various craftsmen.

Today's appearance of the street consists of rebuilt or reconstructed originally Renaissance houses.

[13] The big statue of Saint Francis Xavier belongs to the symbols of the town.