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Yotsukaidō (四街道市, Yotsukaidō-shi) is a city located in 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 is 34.52 square kilometres (13.33 sq mi).


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
PrefectureChiba Prefecture
 • MayorHitoshi Sado (since February 2010)
 • Total34.52 km2 (13.33 sq mi)
 (December 1, 2015)
 • Total89,562
 • Density2,590/km2 (6,700/sq mi)
Time zoneUTC+9 (Japan Standard Time)
- FlowerPrimrose
Phone number043-421-2111
AddressShikawatashi, Yotsukaidō-shi, Chiba-ken 284-8555

Neighboring municipalitiesEdit


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.


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

Public high schools:

Private high schools:


Notable peopleEdit

Sister city relationsEdit


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

External linksEdit