sentences:  In 1994, the institute founded a branch in Potsdam, which has been based near the German Federal Archives since 1996.The focus of research at the Berlin branch of the institute is the history of the German Democratic Republic (GDR).The branch "Abteilung des IfZ im Auswärtigen Amt" ("IfZ Department in the Foreign Office"), founded in 1990 (first situated in Bonn; in Berlin, since 2000), publishes documents from the German Foreign Office.