総人口：4,803People (2014 September 30)。area：196.67 km²
Derived from the Ainu of "Chiriochi (triyl place)" is the town name。
Including the tomb, which is regarded as a human being of the oldest grave "Hokkaido Yunosato 4 ruins soil 壙出 soil product" has been designated as an important cultural property。
Famous leek and oyster。