Ōarai 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.
Ōarai town hall
Ōarai coast
Ōarai port
Ibaraki Prefecture is a prefecture of Japan located in the Kantō region of Honshu. Ibaraki Prefecture has a population of 2,828,086 and has a geographic area of 6,097.19 square kilometres. Ibaraki Prefecture borders Fukushima Prefecture to the north, Tochigi Prefecture to the northwest, Saitama Prefecture to the southwest, Chiba Prefecture to the south, and the Pacific Ocean to the east.
Ibaraki Prefectural Office and Headquarters in Mito
Kamitakatsu Shell Mound in Tsuchiura
Lake Kasumigaura in Ushibori Village (Hitachi Province), Mount Fuji in the background; 19th century of the Edo period. Hokusai, painter and printmaker
Rivers Shintone (left) and Tone (right), Inashiki and Kawachi areas