Ark Hills (アークヒルズ, Āku Hiruzu) is a major office development by Mori Building Company in Minato, Tokyo. Completed in 1986, the complex includes the ANA InterContinental Tokyo Hotel, the ARK Mori Building (a 37-floor, almost 2,000,000-square-foot (190,000 m²) mixed-use tower), the world-class Suntory Hall concert hall, a TV studio and several apartment buildings. TV Asahi still uses its former headquarters as an annexe for some of its departments and subsidiaries.