Gotham City is a fictional city which is the home of Batman, a DC Comics character. The city is based on New York City, and became Batman's home in 1941. Gotham was a village in England, near Nottingham, where the people were all very foolish.
Christopher Nolan based Gotham City on Chicago, New York City, and London. When Bob Kane first thought of a city he wanted it to be like New York City, London, and Chicago. Bill Finger was about to name the city "Civic City".