In the triple partition of the Carolingian empire at Verdun in 843, the central portion was assigned to the emperor Lothaire, separating the kingdoms of East Francia (the later The duchy Germany) from West Francia (the later France).
In 879 East Francia acquired the whole; from 912 to 924 it formed part of West Francia.
Thode (1897), Paul Yriarte (1901), Julia Cartwright, Mantegna and Francia (1881).
This country, north of the Main and the first residence of the Franks, then received the name of Francia Orientalis, and became the origin of one of the duchies into which Germany was divided in the Toth century - the duchy of Franconia (Franken).
At the time of Charlemagne, the word Austrasia underwent a change of meaning and became synonymous with Francia orientalis, and was applied to the Frankish dominions beyond the Rhine (Franconia).