Royal Citadel may refer to:
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Royal Citadel, Plymouth, a fort in Plymouth, England
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Real Cittadella
The Real Cittadella was a fort in Messina, Sicily. The Cittadella was built between 1680 and 1686 by the Spanish Empire, and it was considered to be one of the most important fortifications in the Mediterranean. Most of the fort was demolished in ...
, a fort in Messina, Sicily
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