What is Kawaguchi, Saitama?
{{Infobox settlement <!-- See Template:Infobox settlement for additional fields and descriptions -->| name = {{raise|0.2em|Kawaguchi}} | population_footnotes = <!-- for references: use <ref> tags --> | utc_offset1 = +9 <!-- postal codes, area code -->| timezone1 = [[Japan Standard Time]] | population_note = <!-- time zone(s) --> | population_demonym = <!-- demonym, ie. Liverpudlian for someone from Liverpool --> | pop_est_as_of = | population_est = | population_density_km2 = auto | population_as_of = January 1, 2021 | population_total = 607373 | elevation_m = <!-- population --> | postal_code = | elevation_footnotes = <!-- for references: use <ref> tags --> | area_note = <!-- elevation --> | area_water_percent = | area_water_km2 = | area_land_km2 = | area_total_km2 = 61.95 | area_footnotes = <!-- for references: use <ref> tags --> | area_magnitude = <!-- use only to set a special wikilink --> | unit_pref = <!-- enter: Imperial, to display imperial before metric --> <!-- area -->| postal_code_type = | area_code_type = <!-- defaults to: Area code(s) --> | leader_name1 = <!-- etc., up to leader_title4 / leader_name4 --> <!-- display settings -->| blank5_info_sec1 = | website = {{Official|1=http://www.city.kawaguchi.lg.jp/}} | blank1_info_sec2 = 2-1-1 Aoki, Kawaguchi-shi, Saitama-ken 332-0031 <!-- website, footnotes -->| blank1_name_sec2 = Address | blank_info_sec2 = 048-258-1110 | blank_name_sec2 = Phone&nbsp;number | blank7_info_sec1 = <!-- blank fields (section 2) --> |