Yasuoka (泰阜村, Yasuoka-mura) is a village located in Nagano Prefecture, Japan.
The total area of the village is 64.59 square kilometres (24.94 sq mi).
[2] Per Japanese census data,[3] the population of Yasuoka has declined severely in recent years.
The area of present-day Yasuoka was part of ancient Shinano Province.
In the late 1930s, a large number of inhabitants from Yasuoka were settled in Manchukuo.