Kawaguchi, Japan

Kawaguchi (川口市, Kawaguchi-shi) is a city located in Saitama Prefecture, Japan. As of 1 January 2021, the city had an estimated population of 607,373 in 293,582 households and a population density of 9800 persons per km². The total area of the city is 61.95 square kilometres (23.92 sq mi). It is the Greater Tokyo Area's 8th most populated city (after passing Hachioji), and second largest in Saitama Prefecture.