Chikujō is a town located in Chikujō District, Fukuoka Prefecture, Japan. As of 30 November 2023, the town had an estimated population of 16,834, and a population density of 140 persons per km². The total area of the town is 119.61 km2 (46.18 sq mi).

Buzen is a city located in Fukuoka Prefecture, Japan. As of 31 December 2023, the city had an estimated population of 23,844 in 11794 households, and a population density of 210 persons per km². The total area of the city is 111.10 km2 (42.90 sq mi).