"Ōizumi" redirects here. For the former village in Yamanashi Prefecture, see Ōizumi, Yamanashi.
Gunma Prefecture
Location in Japan

Coordinates: 36°15′N 139°24′E / 36.250°N 139.400°E / 36.250; 139.400Coordinates: 36°15′N 139°24′E / 36.250°N 139.400°E / 36.250; 139.400

Country Japan
Region Kantō
Prefecture Gunma Prefecture
District Ōra
 • Total 17.93 km2 (6.92 sq mi)
Population (September 1, 2007)
 • Total 41,098
 • Density 2,292.14/km2 (5,936.6/sq mi)
Time zone Japan Standard Time (UTC+9)
- Tree Zelkova serrata
- Flower Tulip, Salvia splendens
Address 55-1 Hinode, Ōizumi-machi, Gunma-ken
Phone number 0276-63-3111
Website Town of Ōizumi

Ōizumi (大泉町 Ōizumi-machi?) is a town located in Ōra District, Gunma Prefecture, Japan.

As of September 1, 2007, the town had an estimated population of 41,098 and a density of 2292.14 persons per km². The total area is 17.93 km².

In 1957, the towns of Ookawa-mura and Koizumi-machi merged, thus "Ooizumi-machi" was born.

Ooizumi's name comes from the 'Oo' from Ookawa and 'izumi' from Koizumi.

The Tokyo plant of Sanyo, which was previously the plant of the Nakajima Aircraft Company, is located in this town.

10% of the total population are foreign citizens, mostly Japanese Brazilians, who work at many factories in the town. Since 1990, Japanese descendants in foreign countries have been permitted to stay in Japan freely. It is estimated that 15% of the population speak Portuguese as their native language.[1]

Surrounding municipalities

Places of note

  • Koizumi Castle trace(小泉城跡)
  • Ryusenji temple(竜泉寺)
  • Koizumi shrine(小泉神社)
  • Ainohara remain(間之原遺跡) of Jōmon period (3500 BC-3000 BC)


This town has three stations Nishi-Koizumi Station, Koizumimachi Station, Higashi-Koizumi Station of Tobu Railway Koizumi Line, connecting to Isesaki Line at Tatebayashi Station and Ōta Station.


External links

  • Oizumi official website (Japanese)
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