shikoku, gray political map, region and smallest main island of japan

shikoku island region japan hiroshima osaka map shikoku kobe kyushu honshu asia east matsuyama takamatsu tokushima kochi kagawa ehime prefecture main shimanto japanese seto inland sea shodo seto awaji naruto imabari niihama uwajima archipelago country mapping atlas overview cartography geography coast coastline city travel destination political infographic gray isolated vector