| Iizuna | |
| Native Name Lang: | ja |
| Settlement Type: | Town |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 36.7548°N 138.2355°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: | Kamiminochi |
| Leader Title: | Mayor |
| Area Total Km2: | 75.00 |
| Population Total: | 11115 |
| Population As Of: | March 2019 |
| 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: | Sakura |
| Blank2 Name Sec1: | • Flower |
| Blank2 Info Sec1: | Apple |
| Blank3 Name Sec1: | • Flower |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 026-253-2511 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 2795-1 Mure, Iizuna-machi, Kamiminochi-gun, Nagano-ken 389-1293 |
is a town located in the Kamiminochi District of northern Nagano Prefecture, Japan., the town had an estimated population of 11,115 in 4187 households,[1] and a population density of 150 persons per km2. the total area of the town is 75sqkm.
Iizuna is located in northern Nagano Prefecture. It is 13.9 km from east to west and 15.6 km from north to south. The Yaja River that flows from the Mount Reisenji forms the western border of the town which is located on its river terrace. The Torii River flows through the center of town. The Madarao River from Shinano flows on the north side of this town. It joins the Chikuma River via Nakano City in the east.
The village has a climate characterized by hot and humid summers, and cold winters (Köppen climate classification Cfa). The average annual temperature in Iizuna is 11.3 °C. The average annual rainfall is 1254 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.9 °C, and lowest in January, at around -1.5 °C.[2]
Per Japanese census data,[3] the population of Iizuna was relatively stable throughout the late 20th century but has declined in recent decades.
The area of present-day Iizuna was part of ancient Shinano Province. During the Edo period, Mure developed as a post station on the Hokkoku Kaidō highway.
The modern town was created through a merger of the villages of Samizu and Mure on October 1, 2005. Its name comes from Mount Iizuna which dominates the town's western sky.
The economy of Iizuna is agricultural, primarily rice cultivation and horticulture.
Iizuna has four public elementary schools and one public middle school operated by the town government, and one high school operated the Nagano Prefectural Board of Education.