Ōarai, Ibaraki

Ōarai
大洗町
Ōarai town hall
Location of Ōarai in Ibaraki Prefecture
Ōarai
 
Coordinates: 36°18′48″N 140°34′29.5″E / 36.31333°N 140.574861°E / 36.31333; 140.574861
CountryJapan
RegionKantō
PrefectureIbaraki
DistrictHigashiibaraki
Area
  Total
23.74 km2 (9.17 sq mi)
Population
 (1 October 2020)
  Total
15,787
  Density660/km2 (1,700/sq mi)
Time zoneUTC+9 (Japan Standard Time)
– TreePine
– FlowerAzalea
– BirdCommon gull
Phone number029-288-3111
Address6881-275 Isohama-cho, Ōarai-machi, Higashiibaraki-gun, Ibaraki-ken 311–1392
WebsiteOfficial website

Ōarai (大洗町, Ōarai-machi) is a town located in Ibaraki Prefecture, Japan. As of 1 July 2020, the town had an estimated population of 15,867 in 6,881 households and a population density of 664 inhabitants per square kilometre (1,720/sq mi). The percentage of the population aged over 65 was 34.0%. The total area of the town is 23.89 square kilometres (9.22 sq mi). The Japan Atomic Energy Agency operates a research center in Ōarai with a number of nuclear research reactors, including the Jōyō and High-temperature engineering test reactor facilities.