Anan, Nagano

 is a town located in Nagano Prefecture, Japan. , the town had an estimated population of 4,616 in 2058 households, and a population density of 38 persons per km². The total area of the town is .
Geography.
Located at the southern tip of Nagano Prefecture, Anan is surrounded by the Japanese Alps. The center of the town located on the right bank of the Tenryū River.
Demographics.
Per Japanese census data, the population of Ana has been declining over the past 50 years.
Climate.
The town has a climate characterized by hot and humid summers, and cold winters (Köppen climate classification "Cfa"). The average annual temperature in Anan is 11.7 °C. The average annual rainfall is 2023 mm with September as the wettest month. The temperatures are highest on average in August, at around 23.6 °C, and lowest in January, at around -0.0 °C.
History.
The area of present-day Anan was part of ancient Shinano Province. The modern town was established on July 1, 1957 by the merger of the villages of Oshimojo, Wago and Asage.
Education.
Anan has four public elementary schools and two public junior high schools operated by the town government. The town has one public high school operated by the Nagano Prefectural Board of Education.