“People from all over Japan come here to try authentic skipjack tuna,” says Kyoko Hino, our guide and interpreter. “The people of Kochi consume five times more than the rest of the country ...

Plus: see our insider’s guide on where to eat, shop and stay across Japan; a list of the 25 seafood dishes to try in Tokyo; and a 10-day travel itinerary around the country’s Golden Route.