Kawaguchi, Saitama
Kawaguchi (Hepburn) (Japanese: 川口市; -shi) is a city located in Saitama, Japan. The city's name in the Nippon-shiki, Kunrei, and JSL romanization systems is Kawaguti.
As of 2003, the city has an estimated population of 473,718 and the density of 8,497.18 persons per km². The total area is 55.75 km².