Chełmsko Śląskie is a village in the administrative district of Gmina Lubawka, within Kamienna Góra County, Lower Silesian Voivodeship, in south-western Poland, near the border with the Czech Republic. It lies approximately 7 km south-east of Lubawka, 17 km south of Kamienna Góra, and 86 km south-west of the regional capital Wrocław. It is a former town. It was first mentioned in 1207 and was granted town rights as late as 1289, when it was part of medieval Poland. It remained a town until 1945. During World War II the Germans established and operated a branch of the Gross-Rosen concentration camp in the town. Chełmsko Śląskie contains numerous historic buildings and structures, the oldest dating back to the Middle Ages.