Midori Ward is one of the six wards of the city of Chiba in Chiba Prefecture, Japan. As of February 2016, the ward had an estimated population of 127,368 and a population density of 1920 persons per km2. The total area was 66.25 square kilometres (25.58 sq mi).

Ōamishirasato is a city located in Chiba Prefecture, Japan. As of 1 November 2020, the city had an estimated population of 49,019 in 21,860 households and a population density of 840 persons per km2. The total area of the city is 58.06 square kilometres (22.42 sq mi).