[2] Nirasaki is located in the northwestern end of the Kofu Basin in Yamanashi Prefecture, bordered to the east by the Minami Alps National Park and the west by the Minami Alps Koma Prefectural Natural Park.

[3] Per Japanese census data,[6] the population of Nirasaki has remained relatively steady in recent decades.

The area around present-day Nirasaki was the ancestral homeland of the Takeda clan, which dominated Kai Province in the Sengoku period.

During the Edo period, the area was tenryō territory under the direct administration of the Tokugawa shogunate, and the village of Niirasaki was a post town on the Kōshū Kaidō highway.

[7] Nirasaki has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 18 members.