Urayasu (浦安市, Urayasu-shi) is a city located in the far western corner of northern Chiba Prefecture, Japan.As of April 2012, the city has an estimated population of 163,013 and a population density of 9430 persons per km². The total area is 17.29 km².Urayasu is best known as the home of the Tokyo Disney Resort, which opened in 1983, and the headquarters of The Oriental Land Company.