| Minamiaiki | |
| Native Name Lang: | ja |
| Settlement Type: | Village |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 36.036°N 138.5469°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Chūbu (Kōshin'etsu) |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Nagano |
| Subdivision Type3: | District |
| Subdivision Name3: | Minamisaku |
| Leader Title: | Mayor |
| Area Total Km2: | 66.05 |
| Population Total: | 1057 |
| Population As Of: | April 2016 |
| Population Density Km2: | auto |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec1: | Symbols |
| Blank Info Sec1: | |
| Blank1 Name Sec1: | • Tree |
| Blank1 Info Sec1: | Pinus densiflora |
| Blank2 Name Sec1: | • Flower |
| Blank2 Info Sec1: | Prunus serrulata |
| Blank3 Name Sec1: | • Bird |
| Blank3 Info Sec1: | Japanese bush warbler |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 0267-78-2121 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 3525-1 Minamiaiki-mura, Minamisaku-gun, Nagano-ken 384-1211 |
is a village located in Nagano Prefecture, Japan., the village had an estimated population of 1,057 in 430 households,[1] and a population density of 16 persons per km2. The total area of the village is 66.05sqkm.
Minamiaiki is located in mountainous eastern Nagano Prefecture, bordered by Gunma Prefecture to the east. More than 90% of the village area is covered by mountains and forest, and the village is at an average altitude of between 1000 and 1200 meters.[1] Minamiaiki Dam is located within this village.
The village has a humid continental climate characterized by warm and humid summers, and cold winters (Köppen climate classification Dfb). The average annual temperature in Minamiaiki is 7.4 °C. The average annual rainfall is 1537 mm with September as the wettest month. The temperatures are highest on average in August, at around 20.1 °C, and lowest in January, at around -4.7 °C.[2]
Per Japanese census data,[3] the population of Minamiaiki has declined by more than half since its peak around 1950.
The area of present-day Minamiaiki was part of ancient Shinano Province, and was mentioned in Muromachi period records. The area was part of the tenryō territories under the direct administration of the Tokugawa shogunate during the Edo period. The present village of Minamiaiki was created with the establishment of the modern municipalities system on April 1, 1889.[1]
Minamiaiki has one public elementary school operated by the village government. The village shares a public middle school with neighboring Kitaaika. The village does not have a high school.