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| UNESCO World Heritage Site | |
|---|---|
 | |
| Location | Gunma Prefecture, Japan |
| Part of | Tomioka Silk Mill and Related Sites |
| Criteria | Cultural: (ii), (iv) |
| Reference | 1449 |
| Inscription | 2014 (38th Session) |
| Area | 5.5 ha (14 acres) |
| Buffer zone | 151.1 ha (373 acres) |
| Website | www |
| Coordinates | 36°15′19″N 138°53′16″E / 36.25528°N 138.88778°E |
  Location of Tomioka Silk Mill in Gunma Prefecture  Tomioka Silk Mill (Japan) | |
Tomioka Silk Mill (富岡製糸場, Tomioka Seishijō) is Japan's oldest modern model silk reeling factory, established in 1872 by the government to introduce modern machine silk reeling from France and spread its technology in Japan. The factory is designated by the government as a National Historic Site and all its buildings are preserved in very good condition. It is located in the city of Tomioka, Gunma Prefecture, Japan, about 100 km northwest of Tokyo. It is also featured as the 'ni' card in Jomo Karuta playing cards.