Kanto

Kanto is a location in The Ultimate Attack. It is the very first Pokemon world location that is destroyed along with Johto and several other regions. Kanto is also a real location in Japan, however, this is the Kanto in the Pokemon world we're talking about.

Role in The Ultimate Attack
Kanto is one of the locations that is going to be destroyed after the kaiju destroyed Tokyo and Paris. It was going to be destroyed along with Johto and Scotland. Soon, it finally was. Kanto is never seen, heard, or mentioned throughout the story ever again.