The New York Public Library for the Performing Arts, Dorothy and Lewis B. Cullman Center, at 40 Lincoln Center Plaza, is located in Manhattan, New York City, at the Lincoln Center for the Performing Arts on the Upper West Side, 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. 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.