The Elbphilharmonie is a concert hall in the HafenCity quarter of Hamburg, Germany, on the Grasbrook (de) peninsula of the Elbe River. It is one of the largest and most acoustically advanced concert halls in the world.[citation needed] It is popularly nicknamed Elphi.

The new glassy construction resembles a hoisted sail, water wave or quartz crystal; it sits on top of an old warehouse building (Kaispeicher A, built 1963) near the historical Speicherstadt and is designed by architecture firm Herzog & de Meuron. It is the tallest inhabited building in Hamburg, with a final height of 108 metres (354 ft).