San Fransokyo

San Fransokyo is the homeworld of Hiro, Baymax, Tadashi, Fred, Go Go, Wasabi, Honey Lemon, Robert Callaghan/Yokai, Alistair Krei, Cass, Abigail, Yama, and Heathcliff, and is a world in Kingdom Hearts III.

Role in the series
Despite being loosely based off of a Marvel comic series, because this franchise has it's own identity, it's allowed it's own inclusion. This world is actually known for an ancient history of Kingdom Hearts after Lightflies suppressed a Yokai-like Heartless invasion during it's feudal era.