Green Turtle City is a fictional city that exists in some comic books and animated series, particularly in the Teenage Mutant Ninja Turtles franchise. It is the home and main base of operations for the Teenage Mutant Ninja Turtles and their allies. The city is depicted as a large metropolitan area with tall buildings, bustling streets, and a variety of different neighborhoods. It is often portrayed as a crime-ridden city that is constantly under threat from various villains and criminal organizations. The exact location of Green Turtle City differs depending on the adaptation, but it is typically shown as being on the East Coast of the United States.