Austrasia
geographical name
Aus·tra·sia ȯ-ˈstrā-zhə 
ä-,
-shə
variants or Ostrasia
the eastern dominions of the Merovingian Franks extending from the Meuse River to the Bohemian Forest
Austrasian
ȯ-ˈstrā-zhən
adjective or noun ä-
-shən