Main Locations

Major Shared City locations
DC Universe Online features two expansive Cities that serve as the Game World for the DCUO. The cities are split up into different districts or boroughs. Players that choose The Joker or Batman as their mentor will be sent to Gotham City after they complete the Brainiac Ship starting event, and Players that choose Superman, Lex Luthor, Wonder Woman or Circe will be sent to Metropolis after they complete the Brainiac Ship starting event. You are free to traverse between the two cities at any level.
 * Gotham City
 * Metropolis

Major Player Hubs
Major Player Hubs are Large hubs that serve as a central base for each morality. Vendors, Banks, Attacking Dummies, Teleporters to Nightclubs/Police Stations and Re-Spec Devices are all examples of useful tools you can find in Major Player Hubs, Players will also encounter many Iconic Heroes/Villians in Major Player Hubs. Major Player Hubs can be accesses via Teleporters found in Nightclubs/Police Stations or by using the Warp HQ option in their Map tab on their UI.
 * JLA Watchtower (Heroes)
 * Hall of Doom (Villains)

Alert Locations (PvE adventure zones)
Alerts are instances in DC Universe Online in which 4 players are joined together in a group and progress through various Alert or Crisis locations for loot, experience, or marks. Players may access Hard Mode alerts once they reach Level 30. Hard Mode Alerts have a higher difficulty than Normal mode alerts and reward Players with Marks.

Normal Modes Hard Modes
 * Area 51
 * Bludhaven
 * Gorilla Island
 * H.I.V.E. Moon Base
 * Oolong Island
 * Ace Chemicals
 * Smallville
 * Stryker's Prison
 * Arkham Asylum
 * Area 51 (Hard Mode)
 * The Hall of Doom Armory (Villians Only)
 * Watchtower Containment Facility (Heroes Only)

Legends: PvP Alert Locations

 * Batcave
 * Arkham Asylum
 * Ace Chemicals

Alert Locations (PvP arenas)

 * Australia (S.T.A.R. Labs)
 * Tomb of Isis
 * The Moon

Raid Zones

 * Kahndaq
 * The Outer Caverns