| Hannō | |
| Native Name Lang: | ja |
| Settlement Type: | City |
| Pushpin Map: | Japan |
| Pushpin Map Caption: | |
| Coordinates: | 35.8557°N 139.3277°W |
| Subdivision Type: | Country |
| Subdivision Name: | Japan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Kantō |
| Subdivision Type2: | Prefecture |
| Subdivision Name2: | Saitama |
| Established Title: | First official recorded |
| Established Date: | 27 AD (official) |
| Established Title2: | Town settled |
| Established Date2: | April 1, 1889 |
| Established Title3: | City settled |
| Established Date3: | January 1, 1954 |
| Leader Title: | Mayor |
| Leader Name: | Shigeyuki Arai (since August 2021) |
| Area Total Km2: | 193.05 |
| Population Total: | 79123 |
| Population As Of: | January 2021 |
| Population Density Km2: | auto |
| Timezone1: | Japan Standard Time |
| Utc Offset1: | +9 |
| Blank Name Sec1: | City Symbols |
| Blank1 Name Sec1: | - Tree |
| Blank1 Info Sec1: | Cryptomeria japonica |
| Blank2 Name Sec1: | - Flower |
| Blank2 Info Sec1: | Rhododendron |
| Blank3 Name Sec1: | - Bird |
| Blank3 Info Sec1: | Cettia diphone |
| Blank1 Name Sec2: | Address |
| Blank1 Info Sec2: | 1-1 Namiyanagi, Hannō-shi, Saitama-ken 357-8501 |
is a city located in Saitama Prefecture, Japan., the city had an estimated population of 79,123 in 35,440 households and a population density of 410 persons per km2.[1] The total area of the city is 193.05sqkm.
Hannō is located on the southern border of Saitama Prefecture, bordered by the Tokyo to the south and the Chichibu region to the west. Both the Iruma River and the Koma River flow through the city. Hannō is mainly made up of urban and suburban areas, surrounded by mountains and rivers.
Hannō has a Humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Hannō is 12.6 °C. The average annual rainfall is 1408 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 1.0 °C.[2]
Per Japanese census data,[3] the population of Hannō peaked around the year 2000 and has declined slightly over the past 20 years.
Hannō was traditionally noted for its lumber industry, which developed during the Edo period to supply Edo with timber needed for rebuilding after its frequent fires. The town of Hannō was established within Koma District, Saitama with the establishment of the modern municipalities system on April 1, 1889. Koma District was abolished in 1896, becoming part of Iruma District.
Hannō annexed the neighboring villages of Seimei, Minami-Koma, Kaji and Moto-Kaji on April 1, 1943. It was elevated to city status on January 1, 1954. Hannō annexed the neighboring villages of Agano, Gigshi-Agano, Haraichiba on September 30, 1956. On January 1, 2005, the village of Naguri was merged into Hannō.
The economy of Hannō is mixed, with a number of pharmaceutical firms and electronics firms maintaining factories in the area. A substantial fraction of the population commutes to Tokyo every day.
Hannō has a mayor-council form of government with a directly elected mayor and a unicameral city council of 19 members. Hannō contributes one member to the Saitama Prefectural Assembly. In terms of national politics, the city is part of Saitama 9th district of the lower house of the Diet of Japan.
Seibu Railway - Seibu Ikebukuro Line/Seibu Chichibu Line
The anime series Encouragement of Climb and Train to the End of the World are set in Hannō.