The Hidden City is a fictional location appearing in Rise of the Teenage Mutant Ninja Turtles. It 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.
- Baron Draxum
- Big Mama
- Señor Hueso (currently; formerly self-exiled)
- Capitán Piel
- Exploding Frankie
- Baron Draxum's fortress
- The Docks