The Altonaer Theater is a theater in Hamburg, Germany. The private theater adapts literary works for the stagbe, from classics and international bestsellers to young German literature and more. Past productions include Anna Karenina, Steppenwolf, Measuring the World, and The Hundred-Year-Old Man Who Climbed Out the Window and Disappeared. It presents its own productions, guest performances, and special events. Axel Schneider has been the theater manager since 1995.