Kawasaki, is a city in Kanagawa Prefecture, Japan, one of the main cities of the Greater Tokyo Area and Keihin Industrial Area. It is the second most populated city in Kanagawa Prefecture after Yokohama, and the eighth most populated city in Japan. As of October 1, 2017, the city has an estimated population of 1,503,690, with 716,470 households, and a population density of 10,000 persons per km2.