Kōchi Prefecture Hidaka has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light snowfall.

During the Edo period, the area was part of the holdings of Tosa Domain ruled by the Yamauchi clan from their seat at Kōchi Castle.

Hidaka has a mayor-council form of government with a directly elected mayor and a unicameral village council of ten members.

In terms of national politics, the village is part of Kōchi 2nd district of the lower house of the Diet of Japan.

[4] According to local legend, now written into various story books, the ninja trained under the guidance of a tengu in Saruda cave and gained magical powers such as turning into a mouse.