Tochigi栃木県
Tochigi-ken, とちぎけん. The name ends in 県 (ken), prefecture.
Tochigi is landlocked and has Nikkō and its shrines. Utsunomiya is known across Japan for gyōza.
Facts
- Japanese name
- 栃木県
- Reading
- Tochigi-ken / とちぎけん
- Region
- Kantō 関東
- Capital
- Utsunomiya 宇都宮市
- Population
- 1,933,146 (2020 census)
- Area
- 6,408 km²
- Density
- 302 people per km²
- Municipalities
- 25: 14 cities and 11 towns
- Designated cities
- None
- Districts (郡)
- 5
- Codes
- JIS 09, ISO 3166-2 JP-09
- Website
- www.pref.tochigi.lg.jp
- Tree
- Japanese horse chestnut トチノキ
- Flower
- yashio azalea ヤシオツツジ
- Bird
- blue-and-white flycatcher オオルリ
The tree, flower, and bird are the prefectural symbols, chosen by ordinance. Every prefecture has all three.
The most populous municipalities
| Municipality | Population | km² | Share |
|---|---|---|---|
| Utsunomiya City宇都宮市 | 518,757 | 416.85 | 26.8% |
| Oyama City小山市 | 166,666 | 171.75 | 8.6% |
| Tochigi City栃木市 | 155,549 | 331.5 | 8.0% |
| Ashikaga City足利市 | 144,746 | 177.76 | 7.5% |
| Sano City佐野市 | 116,228 | 356.04 | 6.0% |
| Nasushiobara City那須塩原市 | 115,210 | 592.74 | 6.0% |
| Kanuma City鹿沼市 | 94,033 | 490.64 | 4.9% |
| Moka City真岡市 | 78,190 | 167.34 | 4.0% |
| Nikko City日光市 | 77,661 | 1,449.83 | 4.0% |
| Otawara City大田原市 | 72,087 | 354.36 | 3.7% |
2020 census. Share is the municipality's part of the prefecture's population. The other 15 are listed below.
How an address here begins
栃木県宇都宮市…
Tochigi-ken, Utsunomiya-shi, …
The prefecture name is written first, then the municipality name. The guide explains the rest of the address, and the map finds any address you paste into it.
Neighbouring prefectures
Every municipality in Tochigi市区町村
25 local governments, each with its own mayor and assembly. Each has a page with its population, area, neighbours, and boundary on the map.
Cities市
Districts, with their towns and villages郡 町 村
A district is a name that groups towns and villages in an address. It has no office and no election. Each town and village in it is a government.
Questions about Tochigi
- What is the capital of Tochigi?
- Utsunomiya (宇都宮市). The prefectural office is there. It is also the largest municipality in the prefecture.
- What does 県 mean in 栃木県?
- 県 (ken) means prefecture. It is the ordinary word for prefecture, used by 43 of the 47. The other four are Tokyo (都), Hokkaidō (道), Osaka, and Kyoto (府), which are the same kind of government with a different word at the end of the name.
- How many municipalities are in Tochigi?
- 25: 14 cities and 11 towns. Each is a local government with its own mayor and assembly. The towns and villages are grouped into five districts (郡), names used in addresses, not governments.
- What is the population of Tochigi?
- 1,933,146 at the 2020 census, on 6,408 km², which is 302 people per km². Tochigi is the 19th most populous of the 47 prefectures and the 20th largest by area.
- Which prefectures border Tochigi?
- Three prefectures: Fukushima (福島県), Ibaraki (茨城県), and Gunma (群馬県). Borders across water are not counted.
- What region is Tochigi in?
- Kantō (関東). A region is a customary grouping of prefectures, not a government, so Tochigi elects a governor and an assembly but the region elects nothing.
- How is Tochigi written in Japanese?
- 栃木県, read Tochigi-ken and written とちぎけん in hiragana. The last character, 県, is the word for prefecture, and the name is often used without it in English.
- How does an address in Tochigi begin?
- With the prefecture name, then the municipality name: 栃木県宇都宮市… (Tochigi-ken, Utsunomiya-shi, …). After that are written the named area, the chōme, the block, and the building number.
- What is the largest city in Tochigi?
- Utsunomiya City (宇都宮市), with 518,757 people at the 2020 census. It is also the capital. The three most populous municipalities are Utsunomiya City (宇都宮市, 518,757), Oyama City (小山市, 166,666), and Tochigi City (栃木市, 155,549).
- What are the symbols of Tochigi?
- The prefectural tree is the Japanese horse chestnut (トチノキ), the flower the yashio azalea (ヤシオツツジ), and the bird the blue-and-white flycatcher (オオルリ). Tochigi chose them by ordinance, as every prefecture has.
Boundaries: MLIT 国土数値情報. Population: 2020 Population Census (令和2年国勢調査). Area: Geospatial Information Authority of Japan (全国都道府県市区町村別面積調, 2020). Municipality counts are from the boundary data on the map. Website and symbols: the prefecture's Japanese Wikipedia article, read in September 2026.