It is located at 131 S. Dearborn St., Chicago, Illinois 60603, and was designed by Spanish architect Ricardo Bofill and his firm, Taller de Arquitectura.

A limited-edition cast of the Winged Victory of Samothrace, one of the world's most famous sculptures, was displayed in the lobby, and removed in late 2018.

[3] The Citadel Center was the first building in Chicago to use a raised-floor pressurized plenum system, allowing for more individual control of climate by the use of adjustable floor diffusers.

[4] Renovations include work in the lobby, the creation of a 182 seat conference center, as well as a 9,000 sq.

The Citadel Center sits on a site occupied originally by The Fair Store, an early high-rise designed by William LeBaron Jenney in 1892 that was demolished in 1985.