![](../pix/800/800-shinj-mitsui6.jpg)
Shinjuku Mitsui Building: Nishi-Shinjuku
Phone: 03-3344-4832
Nishi-Shinjuku / Notable building
This 55-story office complex was the tallest building in Tokyo when it was completed in 1974. The firm of Nihon Sekkei was responsible for the design.
![](../pix/800/800-shinj-mitsui2.jpg)
![](../pix/800/800-shinj-mitsui.jpg)
Follow:
Sister sites:
Japan bar and restaurant guide
Cat, rabbit and bird cafe guide
Bars, festivals and breweries
Neighborhood guides and top-five lists from Tokyo experts