Troisvierges is a commune with town status in northern Luxembourg, in the canton of Clervaux. Troisvierges is both the northernmost and highest commune of Luxembourg, as the two highest hills in the country, the Kneiff and Buurgplaatz, are located in the commune. As of 2023, the town of Troisvierges, which lies in the south of the commune, has a population of 1,941. Other towns within the commune include Basbellain, Drinklange, Hautbellain, Huldange, and Wilwerdange.