https://en.wikipedia.org/wiki/Lusatia
Lusatia (German: Lausitz, Polish: Łużyce, Upper Sorbian: Łužica, Lower Sorbian: Łužyca, Czech: Lužice, Latin: Lusatia, rarely also referred to as Sorbia) is a historical region in Central Europe, split between Germany and Poland.Lusatia stretches from the Bóbr and Kwisa rivers in the east to the Pulsnitz and Black Elster rivers in the west, and is located within the German …