Isogo-ku (磯子区) is one of the 18 wards of the city of Yokohama in Kanagawa Prefecture, Japan. As of 2010, the ward has an estimated population of 163,406 and a population density of 8,520 persons per km². The total area is 19.17 km².

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Isogo 磯子区
Ward
Isogo Ward
Flag
Location of Isogo in Kanagawa
Isogo
Coordinates: 35°24′8″N 139°37′8″E
Country	Japan
Region	Kantō
Prefecture	Kanagawa
City	Yokohama
Area
• Total	19.17 km2 (7.40 sq mi)
Population  (February 2010)
• Total	163,406
• Density	8,520/km2 (22,100/sq mi)
Time zone	UTC+9 (Japan Standard Time)
- Tree	Prunus mume
- Flower	Cosmos
Address	3-5-1 Isogo, Isogo-ku Yokohama-shi, Kanagawa-ken 235-0016
Website	Isogo Ward Office

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Isogo is located in eastern Kanagawa Prefecture, and in the southeast corner of the city of Yokohama. The area is largely flatland, with scattered small hills. The Ward is bordered to the east by Negishi Bay, a minor bay on the coast of larger Tokyo Bay.

During the Edo period, area around present-day Isogo Ward was formerly part of the tenryō territory in Sagami Province controlled directly by the Tokugawa shogunate, but administered through various hatamoto. The area consisted of small fishing villages, noted primarily for their catch of Sea cucumber. After the Meiji Restoration, the area became part of Kuraki District in the new Kanagawa Prefecture. In the cadastral reform of April 1, 1889, the area was divided into numerous villages. On April 1, 1901, Negishi village was annexed by neighboring Yokohama. The remaining northern portions of the district were annexed in 1911 and 1927. On October 10, 1927, the 14 former towns and villages were re-organized as Isogo Ward within the city of Yokohama.

Isogo Ward annexed the remaining southern portions of Kuraki District (Kanazawa Town and Mutsuuraso Village) in October 1936. During World War II, Isogo was bombed twice: once on April 15, 1945, and again during the devastating Yokohama Air Raid of May 29, 1945, during which 692 houses were burned down. On May 15, 1948, Kanazawa Ward was separated from Isogo Ward. During the 1960s, the coastal areas of Isogo were converted into a massive chemical and petrochemical industrial zone through the extensive use of landfill, and the population of the area increased dramatically. The Isogo Ward offices relocated to their present location in June 1967.

Isogo is largely a regional commercial center and bedroom community for central Yokohama, Kawasaki and Tokyo. The coastal area is part of the Keihin heavy industrial zone, and has numerous chemical and petrochemical plants.

Kanagawa Prefectural Board of Education operates prefectural high schools. They are:

• Hitorizawa High School [ja]
• Isogo High School [ja]
• Isogo Technical High School [ja]

Yokohama Municipal Board of Education [ja] operates a municipal high school:

• Yokohama Commercial High School [ja](Barber and beautician)

The municipal board of education also operates public elementary and junior high schools.

Junior high schools:^[1]

Elementary schools:^[2]

Additionally, Fujinoki Elementary School (藤の木小学校), Hishita Elementary School (日下小学校), Koda Elementary School (小田小学校), and Nishi-Tomioka Elementary School (西富岡小学校), outside of Isogo-ku, have attendance zones including parts of Isogo-ku.^[3]

Private high and secondary schools:

• Yokohama Gakuen [ja]
• Kashima Gakuen High School [ja](Isogo Serendip campus)

The South Korean government maintains the Korea Education Institution in Kanagawa (Korean: 가나가와한국종합교육원, Japanese: 神奈川韓国綜合教育院) in this ward.^[4]

This section does not cite any sources. (October 2014)

• Hibari Misora, singer and actress
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