As more and more people discover a deeper Japan, they may refer to Shikoku. But what is it? What is this, “Shikoku”? This tidy little article shows clearly where Shikoku is in relationship to the other parts of Japan. It is very much off the beaten path, but do not worry, access to the region is very simple. A couple hours from Osaka by train or bus will bring you there. Flights from Haneda airport in Tokyo are about an hour. And once you arrive, at any one of the four airports in the four prefectures of Tokushima, Kochi, Ehime, or Kagawa, you will be within a few minutes of your very own Shikoku experience.
https://blog.japanwondertravel.com/best-places-to-visit-in-shikoku-region-19854