We suggest you take a look at the following sites:
- For instance, the 'Research Map' offered by the German Rectors' Conference (HRK) allows you to search for the German universities where your research area is available.
- You can also use 'GERiT - German Research Institutions', a database containing over 25,000 research institutes.
- The CHE University Ranking also enables you to search for universities by subject or by city.
- The online database 'Higher Education Compass' allows you to search specific research fields and find institutes you can apply to if you wish to earn a PhD.