Moriya is a city located in Ibaraki Prefecture, Japan. As of 1 April 2024, the city had an estimated population of 69,827 in 29,056 households and a population density of 1955 persons per km². The percentage of the population aged over 65 was 23.1%. The total area of the city is 35.71 square kilometres (13.79 sq mi).

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.