Saiwai-ku is one of the 7 wards of the city of Kawasaki in Kanagawa Prefecture, Japan. As of 2010, the ward had an estimated population of 153,255 and a density of 15,250 persons per km². The total area was 10.05 km².
Wikipedia https://en.wikipedia.org/wiki/Saiwai-ku,_Kawasaki
Coordinates 35°32'57.404" N 139°40'31.089" E
