The Hidden City.

The Hidden City is a fictional location appearing in Rise of the Teenage Mutant Ninja Turtles.


The Hidden City is located somewhere far beneath the streets of New York City, seemingly within a vast subterranean cavity.

The Hidden City is ruled by the Council of Heads and policed by the Hidden City Police.

Known residents


There are other Yōkai-associated locations which are specifically not located in the Hidden City, including Clem's Candy (though Clem is also not a Yōkai himself), the Doom Dome, the Grand Nexus Hotel and Run of the Mill Pizza which are all in New York City. There is also the Mystic Library whose physical location is never specified.