It seems they're islands that are also part of Tokyo. From[1]: > Also within the administrative boundaries of Tokyo Metropolis are two island chains in the Pac

It seems they're islands that are also part of Tokyo. From[1]: > Also within the administrative boundaries of Tokyo Metropolis are two island chains in the Pacific Ocean directly south: the Izu Islands, and the Ogasawara Islands [1] https://en.wikipedia.org/wiki/Tokyo https://en.wikipedia.org/wiki/Tokyo