Points of Single Contact outside Schleswig-Holstein
The web page of the German Federal Ministry of Economics and Technology (BMWi) shows a map of Germany with the individual states on the bottom right of the page. Just click on the desired state to get to the corresponding Point of Single Contact.
The web page of the European Commission shows a map of Europe. The member states are highlighted in blue. Just select the desired country on the map or use the overview of countries to the right of the map.