The Stephen A. Schwarzman Building of the New York Public Library, more widely known as the Main Branch or simply as "the New York Public Library," is the flagship building in the New York Public Library system and a prominent historic landmark in Midtown Manhattan. The branch, opened in 1911, is one of four research libraries in the library system. It currently contains area of and 4 stories open to public. It is located on Fifth Avenue at its intersection with 42nd Street.