the French-Imperial border, with the French part known as Barrois mouva}} and the imperial part as Barrois non mouva}}; it became a duchy in 1354. In 1480 Lorraine and Bar were joined in a personal union, which became permanent in 1506. From that point the two essentially became a single entity, often collectively referred to simply as Lorraine.

Following the Imperial Reform of 1500, Lorraine and the imperial part of Bar were assigned to the