Chiba千葉県

Chiba-ken, ちばけん. The name ends in 県 (ken), prefecture.

Chiba is the Bōsō peninsula east of Tokyo Bay. Narita Airport and Tokyo Disney Resort are both here, not in Tokyo.

Open Chiba on the map

Facts

Japanese name
千葉県
Reading
Chiba-ken / ちばけん
Region
Kantō 関東
Capital
Chiba 千葉市
Population
6,284,480 (2020 census)
Area
5,158 km²
Density
1,218 people per km²
Municipalities
54: 37 cities, 16 towns, and 1 village
Designated cities
Chiba City
Districts (郡)
6
Codes
JIS 12, ISO 3166-2 JP-12
Website
www.pref.chiba.lg.jp
Tree
podocarp マキ
Flower
rapeseed blossom 菜の花
Bird
meadow bunting ホオジロ

The tree, flower, and bird are the prefectural symbols, chosen by ordinance. Every prefecture has all three.

The most populous municipalities

MunicipalityPopulationkm²Share
Chiba City千葉市974,951271.7815.5%
Funabashi City船橋市642,90785.6210.2%
Matsudo City松戸市498,23261.387.9%
Ichikawa City市川市496,67657.457.9%
Kashiwa City柏市426,468114.746.8%
Ichihara City市原市269,524368.174.3%
Nagareyama City流山市199,84935.323.2%
Yachiyo City八千代市199,49851.393.2%
Narashino City習志野市176,19720.972.8%
Urayasu City浦安市171,36217.32.7%

2020 census. Share is the municipality's part of the prefecture's population. The other 44 are listed below.

How an address here begins

千葉県千葉市…

Chiba-ken, Chiba-shi, …

The prefecture name is written first, then the municipality name, then the name of one of Chiba's 6 wards. The guide explains the rest of the address, and the map finds any address you paste into it.

Neighbouring prefectures

Every municipality in Chiba市区町村

54 local governments, each with its own mayor and assembly. Each has a page with its population, area, neighbours, and boundary on the map.

Designated city政令指定都市

A designated city is divided into wards. The wards are offices of the city, not governments.

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 Chiba

Is Chiba a city or a prefecture?
Chiba (千葉県) is a prefecture, one of Japan's 47. Chiba City (千葉市) is a municipality inside it and its capital. On its own, the name usually means the city. With 県 on the end it means the prefecture.
What is the capital of Chiba?
Chiba City (千葉市). The prefectural office is there. It is also the largest municipality in the prefecture. It is a designated city, divided into wards.
What does 県 mean in 千葉県?
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 Chiba?
54: 37 cities, 16 towns, and 1 village. Each is a local government with its own mayor and assembly. One of them is a designated city, divided into wards: Chiba City (6 wards). The wards are offices of the city, not governments. The towns and villages are grouped into six districts (郡), names used in addresses, not governments.
What is the population of Chiba?
6,284,480 at the 2020 census, on 5,158 km², which is 1,218 people per km². Chiba is the 6th most populous of the 47 prefectures and the 28th largest by area.
Which prefectures border Chiba?
Three prefectures: Ibaraki (茨城県), Saitama (埼玉県), and Tokyo (東京都). Borders across water are not counted.
What region is Chiba in?
Kantō (関東). A region is a customary grouping of prefectures, not a government, so Chiba elects a governor and an assembly but the region elects nothing.
How is Chiba written in Japanese?
千葉県, read Chiba-ken and written ちばけん 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 Chiba begin?
With the prefecture name, then the municipality name: 千葉県千葉市… (Chiba-ken, Chiba-shi, …). In Chiba the ward name is written after the city name, since it is a designated city. After that are written the named area, the chōme, the block, and the building number.
What is the largest city in Chiba?
Chiba City (千葉市), with 974,951 people at the 2020 census. It is also the capital. The three most populous municipalities are Chiba City (千葉市, 974,951), Funabashi City (船橋市, 642,907), and Matsudo City (松戸市, 498,232).
What are the symbols of Chiba?
The prefectural tree is the podocarp (マキ), the flower the rapeseed blossom (菜の花), and the bird the meadow bunting (ホオジロ). Chiba 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.