What is "koperno"

Koperno is a village in the administrative district of Gmina Gubin, within Krosno Odrzańskie County, Lubusz Voivodeship, in western Poland, close to the German border. It lies approximately south of Gubin, south-west of Krosno Odrzańskie, and west of Zielona Góra.

Before 1945 the area was part of Germany (see Territorial changes of Poland after World War II).