Mito is the capital city of Ibaraki Prefecture, in the northern Kantō region of Japan. As of 1 January 2024, the city had an estimated population of 268,036 in 126,055 households and a population density of 1,233 persons per km2. The percentage of the population aged over 65 was 27.1%. The total area of the city is 217.32 square kilometres (83.91 sq mi).

Hitachinaka is a city located in Ibaraki Prefecture, Japan. As of 1 July 2020, the city had an estimated population of 154,663 in 64,900 households and a population density of 1547 persons per km2. The percentage of the population aged over 65 was 26.1%. The total area of the city is 99.96 square kilometres (38.59 sq mi). It is a "hiragana city", the place name is written with the hiragana syllabary and not the traditional kanji.