Kopaniec, Lower Silesian Voivodeship
|Coordinates: 50°53′11″N 15°32′49″E / 50.88639°N 15.54694°ECoordinates: 50°53′11″N 15°32′49″E / 50.88639°N 15.54694°E|
Kopaniec (German: Seifershau) [kɔˈpaɲet͡s] is a village in the administrative district of Gmina Stara Kamienica, within Jelenia Góra County, Lower Silesian Voivodeship, in south-western Poland. It lies approximately 4 kilometres (2 mi) south of Stara Kamienica, 14 kilometres (9 mi) west of Jelenia Góra, and 108 kilometres (67 mi) west of the regional capital Wrocław.
Prior to 1945 it was in Germany. After World War II the region was placed under Polish administration and ethnically cleansed according to the post-war Potsdam Agreement. The native German populace was expelled and replaced with Poles.