Burgrave, also rendered as burggrave, was since the medieval period in Europe the official title for the ruler of a castle, especially a royal or episcopal castle, and its territory called a Burgraviate or Burgravate.
The Burgrave of Regensburg presiding over a trial, early 14th-century illustration in the Codex Manesse.
Prefect is a magisterial title of varying definition, but essentially refers to the leader of an administrative area.
In France, each department has a prefect who acts as the representative of the state.
Saint Margaret attracts the attention of the Roman prefect, by Jean Fouquet from an illuminated manuscript