Saitama Super Arena

Opened in September 2000 as the centrepiece of Saitama New Urban Core. Its moving-block system reconfigures the space among three modes — stadium, main arena and community arena — with a maximum capacity of approximately 37,000.

Use

Office tower

Area

Saitama City, Chuo Ward

Completed

2000

Developer

埼玉県

Architect

MAS 2000 Joint Design Office (led by Nikken Sekkei), Dan Meis

A Shape-Shifting Arena in Saitama New Urban Core

Saitama Super Arena opened in September 2000 as the focal point of the Saitama New Urban Core redevelopment, a planned district built around the JR Saitama-Shintoshin Station. The arena was designed through an international competition won by MAS 2000 Joint Design Office — led by Nikken Sekkei — in collaboration with American architect Dan Meis.

The building’s defining feature is a complex movable system developed by Mitsubishi Heavy Industries. A massive unit called the “Moving Block” slides on rails to reconfigure the interior among three distinct modes. In stadium mode the arena holds a maximum of approximately 37,000 spectators; in main arena mode the capacity is roughly 22,500. When the block shifts, it also frees a separate community arena, allowing two events to run simultaneously. No other venue in Japan offers the same degree of flexibility.

Always at the Centre

The arena was widely known under its original name, but in April 2026 a naming-rights agreement added the “GMO Arena Saitama” branding. Saitama New Urban Core lies within thirty minutes of central Tokyo yet retains the spacious grounds and ample parking that urban centres rarely provide. The surrounding Keyaki Plaza and public promenades give the district a welcoming atmosphere, especially busy on major event days. The building’s low-profile circular form and illuminated glass facade become a quiet centrepiece of the night skyline.

A large-scale renovation that began in January 2026 has the arena temporarily closed; a renewed opening is expected in April 2027.

Summary

Saitama Super Arena opened in 2000 as a jointly designed venue by Nikken Sekkei and Dan Meis, capable of holding up to 37,000 people across three reconfigurable modes. Its innovative moving-block system has kept it at the heart of Japan’s concert and sports calendar for more than two decades. Even outside of events, the plaza and exterior offer a pleasant walk through one of Greater Tokyo’s most thoughtfully planned new districts.

Related: Japan National Stadium / Omiya Sonic City

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