thumb|250px|Ostarrîchi in document from time of Otto III. thumb|250px|The Duchy of Bavaria (Bajovaria), Margravate of Ostarrichi and the Duchy of Carantania 1000.
thumb|250px|Ostarrîchi in document from time of Otto III thumb|250px|The Duchy of Bavaria (Bajovaria), Margravate of Ostarrichi and the Duchy of Carantani.a 1000.