is a 54-story mixed-use skyscraper located in Roppongi, Minato, Tokyo. Completed in 2003 and named for builder Minoru Mori, it is the centerpiece of the Roppongi Hills urban development. It is currently the sixth-tallest building in Tokyo at . The tower has a floor space area of 379,408m squared (4,083,910 sq ft), making it one of the largest buildings in the world by this measure.