The Gotham City Police Department (GCPD) is the primary law enforcement agency in Gotham City, a fictional city in the DC Comics universe. The department is responsible for maintaining law and order, investigating crimes, and protecting citizens from various threats, including supervillains. The GCPD is often depicted as struggling with corruption and crime, facing challenges from notorious criminals like The Joker and Harley Quinn. Despite these obstacles, the department works closely with vigilantes like Batman to combat crime and restore safety to the city.