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Yotsukaidō City Hall
Yotsukaidō City Hall
Flag of Yotsukaidō
Official seal of Yotsukaidō
Location of Yotsukaidō in Chiba Prefecture
Location of Yotsukaidō in Chiba Prefecture
Yotsukaidō is located in Japan
Coordinates: 35°40′11.2″N 140°10′4.6″E / 35.669778°N 140.167944°E / 35.669778; 140.167944Coordinates: 35°40′11.2″N 140°10′4.6″E / 35.669778°N 140.167944°E / 35.669778; 140.167944
Country Japan
Region Kantō
Prefecture Chiba Prefecture
 • - Mayor Hitoshi Sado (since February 2010)
 • Total 34.52 km2 (13.33 sq mi)
Population (December 1, 2015)
 • Total 89,562
 • Density 2,590/km2 (6,700/sq mi)
Time zone Japan Standard Time (UTC+9)
-Tree Sakura
- Flower Primrose
Phone number 043-421-2111
Address Shikawatashi, Yotsukaidō-shi, Chiba-ken 284-8555
Website Official website

Yotsukaidō (四街道市?, Yotsukaidō-shi) is a city located in northern Chiba Prefecture, Japan. As of December 1, 2015, the city had an estimated population of 89,564 and a population density of 2,590 persons per km². The total area was 34.52 square kilometres (13.33 sq mi).

Neighboring municipalities[edit]

Chiba Prefecture


Yotsukaidō was inhabited by the Mononobe clan in ancient Japan, from whose name the Monoi region of the city is derived. In the Heian and Kamakura periods, it was under the control of shōen ruled by the Chiba clan for over 600 years. During the Edo period, portions were ruled by the Sakura Domain, and portions were tenryō under the direct control of the Tokugawa shogunate . After the Meiji Restoration, the villages of Chiyoda and Asahi were founded on April 1, 1889 within Inba District, Chiba Prefecture. However, much of the area of these villages was already under the control of the Imperial Japanese Army, who had established a field artillery training school in 1886. The artillery school remained an active military installation until 1945. Chiyoda was elevated to town status on December 23, 1940, and merged with Asahi Village on March 10, 1955 to form Yotsukaidō Town. Yotsukaidō was elevated to city status on April 1, 1981. Proposals to merge the city into neighboring Chiba were rejected by public referendum in 2003 and 2004.


Yotsukaidō is a regional commercial center and a bedroom community for nearby Chiba and Tokyo. The largest industry within the city borders is a large food processing facility operated by Yakult.


  • Aikoku Gakuen University
  • Yotsukaidō has 12 elementary schools, five middle schools, two public and two private high schools. The city also has two special education schools.




Noted people from Yotsukaidō[edit]

Sister city relations[edit]


  1. ^ "US-Japan Sister Cities by State". Asia Matters for America. Honolulu, HI: East-West Center. Retrieved 20 November 2015. 

External links[edit]