Citadel of Chic (Condé Nast Building)

The Condé Nast Building (4 Times Square) was called the “citadel of chic” by the New York (NY) Times on February 26, 1998. The building houses such “chic” Condé Nast publications as Vogue, Vanity Fair, and the New Yorker.
 
The nickname “citadel of chic” has otherwise been rarely cited in print.
 
     
Wikipedia: Condé Nast Building
The Condé Nast Building, officially 4 Times Square, is a modern skyscraper in Times Square in Midtown Manhattan. Located on Broadway between 42nd Street and 43rd, the structure was finished in January 2000 as part of a larger project to redevelop 42nd Street. The building has 48 stories reaching 809 ft (247 m) to make it the 12th tallest building in New York City and the 41st tallest in the United States. The size of the tower raised concerns from the city about what impact this sized tower would have on Times Square. The major office space tenants are magazine publishing company Condé Nast and Skadden, Arps, Slate, Meagher & Flom, a prominent U.S. law firm. Duane Reade is a major retail tenant. H&M has leased the space formerly occupied by ESPNZone.
 
New York (NY) Times
Moving Day Angst at the Citadel of Chic
By JULIE V. IOVINE
Published: February 26, 1998
PEOPLE at Conde Nast are so unwilling to talk on the record about their future office space that striking up a conversation with White House staff members about Monica S. Lewinsky would have to be easier.

Thirty stories have already risen on the construction site at 4 Times Square, designed to be a marvel of environmental correctness.
 
Google Books
National Geographic Traveler: New York, 2d Ed.
Washington, DC: National Geographic Society
2006
Pg. 108:
The new building at Four Times Square, housing the Conde Nast offices of Vogue, Vanity Fair, and the New Yorker, has been nicknamed the “citadel of chic.”