| Tokyo Metropolitan Government Building | |
| Location: | 2-8-1 Nishishinjuku, Shinjuku, Tokyo 163-8001 Japan |
| Coordinates: | 35.6897°N 139.6922°W |
| Highest Prev: | Sunshine 60 |
| Highest Start: | 1991 |
| Highest End: | 1993 |
| Highest Region: | Japan |
| Highest Next: | Yokohama Landmark Tower |
| Status: | Complete |
| Start Date: | April 1988 |
| Completion Date: | December 1990 |
| Building Type: | Prefecture building |
| Roof: | 242.9m (796.9feet)[1] |
| Floor Count: | 48 |
| Cost: | ¥157 billion |
| Floor Area: | 195764m2 |
| Architect: | Kenzo Tange |
| Structural Engineer: | Kiyoshi Mutō |
| Owner: | Tokyo Metropolitan Government |
The, also referred to as the for short, is the seat of the Tokyo Metropolitan Government, which governs the special wards, cities, towns, and villages that constitute the Tokyo Metropolis.
Located in Shinjuku ward, the building was designed by architect Kenzo Tange. It consists of a complex of three structures, each taking up a city block. The tallest of the three is the Tokyo Metropolitan Government Building No.1, a tower 48 stories tall that splits into two sections at the 33rd floor. The building also has three levels below ground. The design of the building was meant to resemble an integrated circuit,[2] while also evoking the look of a Gothic cathedral. It is the tallest city hall in the world.[3]
The other two buildings in the complex are the eight-story Tokyo Metropolitan Assembly Building (including one underground floor) and Tokyo Metropolitan Government Building No. 2, which has 37 stories including three below ground.
The two panoramic observation decks, one in each tower on floor 45 (202m (663feet) high), are free of charge to the public and contain gift shops and cafes.[4] The two observation decks are open between 9:30 and 22:00 on alternating days.[5]
The building was designed by Kenzo Tange and finished in December 1990 at the expense of ¥157 billion (about US$1 billion) of public money. It replaced the old city hall at Yūrakuchō, which was built in 1957 and also designed by Tange, which is now the site of the Tokyo International Forum.[6]
At 242.9m (796.9feet),[1] it was the tallest building by roof height in Tokyo until 2007, when the Midtown Tower was completed.
In February 2024, the building was recognized by the Guinness World Records for having the world's largest projection mapping display.[7] [8]
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