HERMSDORF, a village in the Prussian province of Silesia near Waldenburg. Pop. (1933) 12,137. There are coal mines in the vicinity, and matches are manufactured. Hermsdorf is known as Niederhermsdorf to distinguish it from other places of the same name. Perhaps the most noteworthy of these is a village (Pop. in Silesia at the foot of the Riesengebirge, chiefly famous for the ruins of the castle of Kynast. This castle, formerly the seat of the Schaffgotsch family, was destroyed by lightning in 1675. A third Hermsdorf is a village in Thuringia, where porcelain is made. Pop. 3,452.