Arkham City

The Arkham City is one of the central locations of the DC comics, Batman, first appearing in the eponymous 2011 video game Batman: Arkham City, as the location that most of the game's events take place. A mega-prison, constructed to to house all of the criminals and outlaws from Arkham Asylum and Blackgate Prison. It also appears in the Non-Disney vs. DC Villains War, as one of the minor locations of the series.