East Francia (eventually Kingdom of Germany)
The main function of the margravial office was to defend and protect the marches (frontier districts) of the Kingdom of Germany.
Kingdom of Germany (High Middle Ages)
The castle also began to lose its prominence as the Kingdom of Germany began expanding eastward.
In 925 the Lotharingians were subsumed into the Kingdom of Germany.
A burgward was a form of settlement used for the organisation of the northeastern marches of the Kingdom of Germany in the mid-10th century.
It is impossible to base this distinction on primary sources, as Eastern Francia remains in use long after Kingdom of Germany comes into use.
The Kingdom of Germany in the High Middle Ages (900-1200).
Before 1772 the area was part of Kingdom of Poland, 1772-1945 Prussia and Germany.
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