United States Diplomatic Mission to Germany

US Embassy Berlin
Clayallee 170
14191 Berlin
Website

Consulate General Munich
Königinstraße 5
80539 München
Website

Consulate General Frankfurt
Gießener Str. 30
60435 Frankfurt am Main
Website

Consulate General Leipzig
Wilhelm-Seyfferth-Str. 4
04107 Leipzig
Website

Consulate General Hamburg
Alsterufer 27/28 
20354 Hamburg 
Website

Consulate General Düsseldorf
Willi-Becker-Allee 10
40227 Düsseldorf
Website


German-American Institutes

Apart from Nuremberg, there are DAIs at Munich, Tübingen, Stuttgart, Freiburg, Heidelberg, Saarbrücken, Cologne, Hamburg and Kiel.

See the overview on the Embassy's website.