The Openbare Bibliotheek Amsterdam (Public Library Amsterdam) is a collective name for all public libraries in Amsterdam, Netherlands. The first library opened in 1919 at the Keizersgracht. As of 2007, there are 28 public libraries and 43 lending points, such as in hospitals. In 2005, OBA had 1.7 million books and 165,000 members and lent out 5 million books.