| Yanaizu | |
| Native Name Lang: | ja |
| Settlement Type: | Town |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 37.5261°N 139.7196°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Tōhoku |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Fukushima |
| Subdivision Type3: | District |
| Subdivision Name3: | Kawanuma |
| Leader Title: | Mayor |
| Area Total Km2: | 175.82 |
| Population Total: | 3304 |
| Population As Of: | November 2019 |
| Population Density Km2: | auto |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec1: | City Symbols |
| Blank1 Name Sec1: | - Tree |
| Blank1 Info Sec1: | Willow |
| Blank2 Name Sec1: | - Flower |
| Blank2 Info Sec1: | Paulownia tomentosa |
| Blank3 Name Sec1: | - Bird |
| Blank3 Info Sec1: | Japanese bush warbler |
| Blank Name Sec2: | Phone number |
| Blank Info Sec2: | 0241-42-2112 |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 234 Shimohiraotsu Yanaizu, Yanaizu-machi, Kawanuma-gun, Fukushima-ken 969-7201 |
thumb|right|Enzō-ji is a town located in Fukushima Prefecture, Japan., the town had an estimated population of 3,304 in 1,269 households,[1] and a population density of 19 persons per km². The total area of the town was 175.82sqkm.
Yanaizu is located in the northern portion of the Aizu region of Fukushima Prefecture.The Takitani River flows north and south through the town and joins the Tadami River, which crosses the northern part of the town. The southern part of the town is mountainous.
Fukushima Prefecture
Yanaizu has a Humid continental climate (Köppen Dfb) characterized by warm summers and cold winters with heavy snowfall. The average annual temperature in Yanaizu is 11.7 °C. The average annual rainfall is 1428 mm with September as the wettest month. The temperatures are highest on average in August, at around 25.3 °C, and lowest in January, at around -0.9 °C.[2]
Per Japanese census data,[3] the population of Yanaizu has declined steadily over the past 70 years and is now much less than it was a century ago.
The area of present-day Yanaizu was part of ancient Mutsu Province. The area formed part of the holdings of Aizu Domain during the Edo period. After the Meiji Restoration, the area was organized as part of Kawanuma District, Fukushima Prefecture. The village of Yanaizu was founded with the establishment of the modern municipalities system on April 1, 1898. Yanaizu annexed the neighboring villages of Kurado and Iitani on May 1, 1921. The village was raised to town status on May 20, 1942. On March 31, 1955, Yanaizu annexed the neighboring village of Nishiyama from Ōnuma District, Fukushima.
The economy of Yanaizu is based primarily on agriculture, with seasonal tourism.
Yanaizu has two public elementary schools and one public junior high school operated by the town government. The town does not have a high school.