 The museum has 4 branches, the "Altonaer Museum" itself, the "Jenisch Haus" for art and culture in the Othmarschen quarter, the "Rieck Haus" in the quarter Curslack and the "Heine Haus" at Elbchaussee 23.The "Altonaer Theater" is located in the street Museumsstrasse 17.It was founded 1876 as "Altonaer Stadttheater" at the street Königstrasse.