Thirty million people and a barrage of neon can't curb Tokyo's charm.
A bustling city of 1.5 million people, Kyoto is also the cultural heart of Japan.
After the hedonism of Tokyo and Kyoto, Hiroshima is a sobering experience.
If being buried alive by hot volcanic sand or covered in sulphurous mud is your idea of a good time, then you'll adore Beppu. Situated on the east coast of the island of Kyushu, Beppu is the hot-spring centre of Japan.