Tomioka, Gunma

Tomioka 富岡市
City
Tomioka city hall
Flag Seal
Location of Tomioka in Gunma Prefecture
Tomioka
Coordinates: 36°15′35.7″N 138°53′23.7″E / 36.259917°N 138.889917°E / 36.259917; 138.889917
Country	Japan
Region	Kantō
Prefecture	Gunma
Area
• Total	122.85 km2 (47.43 sq mi)
Population  (September 2020)
• Total	47,911
• Density	390/km2 (1,000/sq mi)
Time zone	UTC+9 (Japan Standard Time)
- Tree	Maple
- Flower	Sakura
- Bird	Japanese bush-warbler
Phone number	0274-62-1511
Address	1460-1 Tomioka, Tomioka-shi, Gunma-ken 370-2392
Website	Official website

Tomioka (富岡市, Tomioka-shi) is a city located in Gunma Prefecture, Japan. As of 1 September 2020^[update], the city had an estimated population of 57,013 in 20,367 households,^[1] and a population density of 390 persons per km². The total area of the city is 122.85 square kilometres (47.43 sq mi). It is the location of the Tomioka Silk Mill, a UNESCO World Heritage Site.