Amagasaki is an industrial city located in Hyōgo Prefecture, Japan. As of 30 November 2022, the city had an estimated population of 455,555 i…Amagasaki is an industrial city located in Hyōgo Prefecture, Japan. As of 30 November 2022, the city had an estimated population of 455,555 in 223,812 households, and a population density of 9000 persons per km². The total area of the city is 50.72 km².