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A Prince-Abbot (German: Fürstabt) is a title for a cleric who is a Prince of the Church (like a Prince-Bishop), in the sense of an ex officio temporal lord of a feudal entity, notably a State of the Holy Roman Empire. The secular territory ruled by the head of an abbey is known as Prince-Abbacy or Abbey-principality. The holder, however, does not hold the ecclesiastical office of a Bishop.
The designated abbey may be a community of either monks or nuns. Thus, because of the possibility of it being a female monastery, an abbey-principality is one of the few cases in which the rule can be restricted to female incumbents, styled Princess-Abbess.
In some cases, the holder was a Prince of the Holy Roman Empire (Reichsfürst), with a seat and a direct vote (votum virile) in the Imperial Diet. Most immediate abbots however, while bearing the title of a "Prince-Abbot", only held the status of an Imperial prelate with a collective vote in the Imperial Diet. Actual Prince-Abbots were:
- the Abbot of Fulda, "Archchancellor of the Empress", according to a 1220 decree by Emperor Frederick II, elevated to a Prince-Bishopric by Pope Benedict XIV in 1752
- the Abbot of Prüm, elevated by Emperor Frederick II in 1222, held in personal union by the Archbishop of Trier from 1576
- the Abbot of Kempten, confirmed by King Charles IV in 1348
- the Abbot of Murbach, elevated by King Ferdinand I in 1548
- the Abbot of Stavelot-Malmedy
- the Abbot of Corvey, elevated to a Prince-Bishop in 1792
- Whaley, J., Germany and the Holy Roman Empire (1493–1806), Oxford University Press, 2011, p. 353