Údlice (German: Eidlitz) is a municipality and village in Chomutov District in the Ústí nad Labem Region of the Czech Republic.

Údlice consists of two municipal parts (in brackets population according to the 2021 census):[2] The initial name of the settlement was probably Údolnice (derived from the Czech word údolí, i.e. 'valley') The name was transcribed to German as Udelitz.

[3] Údlice is located in close proximity to the city of Chomutov, about 47 km (29 mi) southwest of Ústí nad Labem.

Údlice was promoted to a town in 1539, but its lost the title during the Thirty Years' War, when it was plundered by the Swedish army.

From 1605 until the establishment of a separate municipality, Údlice was part of the Červený Hrádek estate and shared its owners.