What is the prison in batman?

In the Batman universe, Arkham Asylum is the primary prison and psychiatric facility for the criminally insane. It houses many of Batman's most notorious foes, such as the Joker and Harley Quinn, often portraying a blend of mental illness and criminality. The asylum is depicted as a dark and foreboding place, reflecting the psychological themes prevalent in Batman's stories. Additionally, Gotham City has a general prison, Blackgate Penitentiary, for regular criminals.