Tokyo DisneySea ,is a 176 acre theme park at the Tokyo Disney Resort in Urayasu, Chiba near Tokyo. It opened on the 4th of September 2001. It is owned by The Oriental Land Company, which has licensed the theme from The Walt Disney Company. Tokyo DisneySea has become one of the world?????????s most-visited theme parks and one of the most popular Disney Parks in the world. Tokyo DisneySea is also the most expensive theme park ever built, estimated to have cost over $4 billion US dollars to build.