Gotham City is the home to Batman his allies and enemies. When the city comes under attack the police call upon Batman, Robin, Batgirl and Nightwing to save it. Gotham Cities population is 10 million. Shown on a map during one of the episodes Gotham is shown as being in the same location as New York City. However in the comics it had been established that Gotham and New York exist in the same universe.