Citadel (Mass Effect)

The Citadel
The Citadel, as shown on the galaxy map in Mass Effect 2 (2010)
First appearanceMass Effect: Revelation (2007)
Last appearanceMass Effect: Foundation (2013)
Created byBioWare
GenreRole-playing video game
In-universe information
TypeSpace station
LocationWidow system
Population13.2 million

The Citadel is a fictional space station and megastructure in the Mass Effect franchise of video games developed by BioWare. An ancient station supposedly constructed by the long-dead Protheans, it serves as the hub of interstellar politics and society in the Milky Way galaxy due to its status as the capital of the Citadel Council, the dominant galactic polity within the Mass Effect universe. The Citadel was praised by critics for its design, lore, and the diversity of its inhabitants enhancing the game world.