Environmental model cities

Kyoto ( or ; Japanese: , Kyōto ), officially , is the capital city of Kyoto Prefecture in the Kansai region of Japan's largest and most populous island of Honshu. , the city had a population of 1.46 million, making it the ninth-most populous city in Japan. More than half (56.8%) of Kyoto Prefecture's population resides in the city. The city is the cultural anchor of the substantially larger Greater Kyoto, a metropolitan statistical area (MSA) home to a census-estimated 3.8 million people. It is also part of the even larger Keihanshin metropolitan area, along with Osaka and Kobe.

is the second-largest city in Japan by population as well as by area, and the country's most populous municipality. It is the capital and most populous city in Kanagawa Prefecture, with a population of 3.7 million in 2023. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu. Yokohama is also the major economic, cultural, and commercial hub of the Greater Tokyo Area along the Keihin Industrial Zone.

is a city located in Fukuoka Prefecture, Japan. As of June 1, 2019, Kitakyushu has an estimated population of 940,978, making it the second-largest city in both Fukuoka Prefecture and the island of Kyushu, after the city of Fukuoka. It is one of Japan's 20 designated cities, one of three on Kyushu, and is divided into seven wards.

city in Toyama Prefecture, Japan

is a city located in Osaka Prefecture, Japan. It has been one of the largest and most important seaports of Japan since the medieval era. Sakai is known for its kofun, keyhole-shaped burial mounds dating from the fifth century. The kofun in Sakai include the largest grave in the world by area, Daisen Kofun. Once known for swords, Sakai is now famous for the quality of its cutlery. , the city had an estimated population of 819,965, making it the fourteenth most populous city in Japan (excluding Tokyo).

special ward in the Tokyo Metropolis in Japan

thumb|right|Obihiro City-hall thumb|right|Street in Obihiro, 2020

city in Kumamoto Prefecture, Japan

city in Nagano Prefecture, Japan

city in Okinawa Prefecture, Japan

town in Kamikawa district, Hokkaidō, Japan

right|thumb|270px|Japan National Route 440 in Yusuhara is a town located in Takaoka District, Kōchi Prefecture, Japan. , the town had an estimated population of 3,285 and a population density of 14 persons per km². The total area of the town is .