Hiroshima, Miyajima and Iwakuni district sightseeing area: 'Project for developing an international tourism zone to travel around "Hiroshima, Miyajima and Iwakuni of Three Arrows"'
広島・宮島・岩国地域観光圏；「『広島・宮島・岩国三本の矢』を巡る国際観光地整備事業」