Yotsukaidō is a city located in Chiba Prefecture, Japan. As of 1 November 2020, the city had an estimated population of 95,266 in 43,191 households and a population density of 2800 persons per km2. The total area of the city is 34.52 square kilometres (13.33 sq mi).

Sakura is a city located in Chiba Prefecture, Japan. As of 1 November 2020, the city had an estimated population of 173,740 in 78,483 households and a population density of 1700 people per km2. The total area of the city is 103.59 square kilometres (40.00 sq mi).