Chikushino is a city in Fukuoka Prefecture, Japan. As of 29 February 2024, the city had an estimated population of 106,513 in 48029 households, and a population density of 1200 persons per km2. The total area of the city is 87.73 km2 (33.87 sq mi).

Umi is a town located in Kasuya District, Fukuoka Prefecture, Japan. As of 31 March 2024, the town had an estimated population of 36,907 in 16691 households, and a population density of 1200 persons per km². The total area of the town is 30.21 km2 (11.66 sq mi)