Duchy of Bajovaria, margravate of Ostarrichi and duchy of Carantania around the year 1000 AD (crop of the map <i>Heiliges Römisches Reich um 1000</i>), notations are a 19th century imitation of Old High German names, taken from various primary sources and brought to a synthetical ahistorical standard spelling.
Gustav Droysen
Allgemeiner historischer Handatlas