280 Broadway – also known as the A.T. Stewart Dry Goods Store, the Marble Palace, the Stewart Building, and the Sun Building – is a seven-story office building on Broadway, between Chambers and Reade streets, in the Civic Center neighborhood of Lower Manhattan in New York City. Built from 1845 to 1846 for Alexander Turney Stewart, the building was New York City's first Italianate commercial building and one of the United States' first department stores. The building also housed the original Sun newspaper from 1919 to 1950 and has served as the central offices for the New York City Department of Buildings since 2002. It is a National Historic Landmark and a New York City designated landmark.

Chambers Street is a two-way street in the New York City borough of Manhattan. It runs from River Terrace, Battery Park City in the west, past PS 234, The Borough of Manhattan Community College, and Stuyvesant High School, to the Manhattan Municipal Building at 1 Centre Street in the east. Between Broadway and Centre Street, Chambers Street forms the northern boundary of the grounds surrounding New York City Hall and the Tweed Courthouse. Opposite the Tweed Courthouse sits the Surrogate's Courthouse for Manhattan. 280 Broadway the Marble Palace, lies west of there, on the north side of Chambers.