Marunouchi Building, Skyscraper in Marunouchi district, Tokyo, Japan
Marunouchi Building is a modern office tower with 37 floors located in Tokyo's financial district. The structure combines office space, retail shops, and restaurants across its levels, serving workers and visitors daily.
The first Marunouchi Building, designed by Kotaro Sakurai, opened in 1923 on the site of the former Matsudaira (Ikeda) family estate of Okayama Domain. Damaged in the Great Kantō Earthquake that year, it reopened in 1925 and, with over 60,000 square metres of floor area, was then Asia's largest office building. Demolished in 1999, it was replaced in 2002 by the current 180-metre, 37-storey tower, which preserves one portico of the old building.
The building houses numerous Japanese and international restaurants across its upper floors, presenting Tokyo's culinary diversity to visitors and workers.
The building connects directly to Tokyo Station through underground passages, making access convenient. The retail spaces have varying hours depending on the day, so checking in advance is helpful.
The 2002 tower reuses about 5,400 pine piles from the old Maru Biru, and one portico of the 1923 building was kept as part of the new structure. The 2002 building received the 12th AACA Award from the Japan Association for Architecture and Art Crafts.
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