Shikoku (Japanese: 四国) is the fowert lairgest island o the Japanese Archipelago. It haes 4,141,955 indwallers. Matsuyama is the heidmaist ceety. The heid river is the Yoshino River. Shikoku, unlike the three mickle Japanese islands aside it, disna hae volcanaes.


Coordinates: 33°45′N 133°30′E / 33.750°N 133.500°E / 33.750; 133.500