, formerly tentatively known as the Toranomon-Azabudai District or Toranomon-Azabudai Project, is a complex of three skyscrapers complete in Tokyo, Japan. Upon completion, the complex will contain the tallest building in Tokyo and Japan. Designed by the architectural firm Pelli Clarke Pelli Architects and developed by the Mori Building Company, it is estimated that the project will cost about 580 billion yen ($4.4 billion). Construction started in 2019 and is expected to be completed in 2023. The complex is located in the Toranomon business district, in the ward of Minato; it lies between sister Mori Building projects Roppongi Hills to the west, Toranomon Hills to the east and Ark Hills to the north. The project's official name, "Azabudai Hills", was announced by Mori Building on 14 December 2022. Azabudai Hills will consist of three buildings: Azabudai Hills Mori JP Tower, Azabudai Hills Residence A and Azabudai Hills Residence B. Mori JP Tower, measuring and featuring 64 floors, will be the first supertall to be built in Tokyo. Its appearance was designed to complement the nearby Ark Hills Sengokuyama Mori Tower, a project by the same architect and developer located away. The two accompanying buildings, Residence A and Residence B, measure in height and feature 54 and 64 floors. The three skyscrapers were designed by Pelli Clarke Pelli Architects, the firm of Argentine architect César Pelli. Upon completion, the Azabudai Hills Mori JP Tower will be the tallest building in Tokyo, surpassing the nearby Toranomon Hills Station Tower, as well as in Japan, surpassing Osaka's Abeno Harukas. Accompanying the skyscrapers are a series of low-rise buildings that plan to create a landscape pergola, designed by London-based Heatherwick Studio. The area will be surrounded by lush greenery and will feature of green space, including a central square. According to Mori, the design embodies the concept of a "modern urban village". Additionally, of cultural facilities will also be included.