Talk:Big Hero 6: The Animated Series/@comment-25380870-20141224102109/@comment-5111231-20150209012947

Scott says it's an alternate San Fransisco founded by Japanese immigrants after a major earthquake, and so they named the place after both cities. It's implied to be a future version, however. You might want to check the source material btw, you'll find a concoction of ideas with the original members of the comic.