 Deutsch Jahrndorf is the easternmost municipality of Austria, at 17 degrees eastern longitude, and the easternmost commune of the German "Sprachraum".With Burgenland, the former Hungarian village passed to the Republic of Austria after World War I.During the Cold War, or from shortly after World War II until the Revolutions of 1989, Deutsch Jahrndorf was the easternmost community in Central Europe with a Western market economy.