The New York Public Library for the Performing Arts, Dorothy and Lewis B. Cullman Center, is located at 40 Lincoln Center Plaza, in the Lincoln Center complex on the Upper West Side in Manhattan, New York City. Situated between the Metropolitan Opera House and the Vivian Beaumont Theater, it houses one of the world's largest collections of materials relating to the performing arts.[1][2][3] It is one of the four research centers of the New York Public Library's Research library system, and it is also one of the branch libraries.