Kawaguchi is a city in Saitama Prefecture, Japan. The city was founded on April 1, 1933.
As of March 1, 2012, the city has an estimated population of 579,069, the second largest in Saitama Prefecture after Saitama. The total area is 61.97 km². On October 11, 2011, Kawaguchi City absorbed the neighboring city of Hatogaya.
- Kawaguchi, Saitama on Wikipedia