Krupanj (Serbian Cyrillic: Крупањ, pronounced [krûːpaɲ]) is a town and municipality located in the Mačva District of western Serbia.

It is the center of the region Rađevina, which was named after Rađ, a knight of Prince Lazar, who defended it from Hungarian and Ottoman conquerors, and who is buried at the monument of Rađev Kamen.

Aside from the town of Krupanj, the municipality includes the following settlements: Already in the Roman period, the mining was developed in the modern Rađevina area.

This process also gave name to both settlements: larger lumps of ore were called "krupa" (hence, Krupanj) while the Serbian word for silver is "srebro" (Srebrenica).

[citation needed] Built in a traditional style, it hosts a number of records and monuments from Ottoman Rule and the 'Serbian Liberation wars' period.

The Ottomans ultimately withdrew in 1862, and the nearby fortress called "Soko Grad" was torn down, to be turned into the monastery of St.

During World War I, a battle between Austria-Hungary and Serbian forces was fought at the nearby site of Mačkov kamen, the peak of Jagodnja mountain.

[4] Town's hospital was donated by the benefactor Nikola Spasić, Daily Politika donated the cultural center, in memory of its founders, brothers Darko F. Ribnikar and Vladislav F. Ribnikar, who were both killed in action in this area, fighting off Austro-Hungarian invading forces in 1914, during World War I.

[3] During World War II, in the village of Bela Crkva, partisan Žikica Jovanović Španac killed two gendarmes on 7 July 1941, which would become the official date of celebration of the people's uprising against occupiers in Serbia during communist rule.

[6] On 26 September 1941, a meeting of partisans' main headquarters, presided by Josip Broz Tito, was held in the nearby village of Stolice.

[5] During the war, antimony mining in Krupanj reached a peak, as German occupational forces pushed the smeltery to the maximum.

The ethnic composition of the municipality:[10] The following table gives a preview of total number of employed people per their core activity (as of 2017):[11] There are two hotels in the town center.

The monastery of Tronoša and the ethno-park in nearby Tršić preserve the memory of Vuk Stefanović Karadžić, a 19th-century reformer of the Serbian language.