By which body of water is XXX located?
Hamburg
Hamburg (/ˈhæmbɜːrɡ/; German pronunciation: (ˈhambʊʁk), local pronunciation (ˈhambʊɪ̯ç); Low German/Low Saxon: Hamborg (ˈhambɔːx)), officially Freie und Hansestadt Hamburg (Free and Hanseatic City of Hamburg), is the second largest city in Germany and the eighth largest city in the European Union.