Đavolja varoš is a rock formation consisting of about 200 earth pyramids or "towers", located in southern Serbia on the Radan Mountain, in the municipality of Kuršumlija. There are several similar geological formations in the world, but Đavolja Varoš has the most numerous and the tallest "towers".

Kuršumlija is a town and municipality located in the Toplica District of the southern Serbia. It is situated near the rivers Toplica, Kosanica and Banjska, southeast of Mount Kopaonik and northwest of Mount Radan. As of 2022 census, the municipality has a population of 15,905 inhabitants.