Proper noun
Lusatia
A region of Central Europe, Germany, Poland, and the Czech Republic.
He unified Brandenburg (until 1415), Lusatia (until 1635), and Silesia (until 1742) under the Czech crown. Source: Internet
II chap. 29 In all probability Mieszko decided to pay tribute in order to avoid an invasion similar to the one that Lusatia had suffered. Source: Internet
“During its recent General Assembly, held on 17 April in Lusatia, EFA called upon all UN members to recognize Nagorno Karabakh.” Source: Internet
When Mieszko II was busy defending Lusatia from the troops of Conrad II, the Kievan expedition started from the east with Yaroslav I the Wise as the leader. Source: Internet
Later on, the term Lusatia (Lausitz, Lužice) was spread to the south. Source: Internet
Outside Lusatia, it has been superseded by German, following official discrimination from the 13th century on. Source: Internet