Mitteldeutschland in English: the central parts of Germany from north to south, (especially) those areas where Central German dialects have traditionally been spoken

Meanings

the central parts of Germany from north to south, (especially) those areas where Central German dialects have traditionally been spoken
the central parts of Germany from west to east, (especially 1945-90) the GDR seen as the middle part of Germany in its pre-WWII borders
the broadcasting area of the Mitteldeutscher Rundfunk, that is, the federal states of Saxony, Saxony-Anhalt, and Thuringia
geographyCentral Germany
Kehren wir zum Abschluß noch einmal unmittelbar zu Karl IV. und Mitteldeutschland zurück. Worüber ist das Verhältnis der beiden Seiten, wenn nicht allein über den Urkundenverkehr, noch zu beschreiben?