Hamburg, located on the Elbe River in northern Germany, is Germany’s second largest city with 1.84 million inhabitants. It is one of Germany’s three city-states, the others being Berlin and Bremen, and one of the largest ports in Europe. Deutsches Elektronen-Synchrotron (DESY) has one of its two German locations in Hamburg. DESY is an internationally renowned centre of fundamental research and one of the world’s leading institutions investigating the structure and function of matter.