The Institute of Political Science is located along the Melanchthonstraße (no. 36) in Tübingen, on the edge of the old university campus centre. The campus "Wilhelmstraße" is inbetween the town centre and the district "Tübingen Lustnau". From the "Neue Aula", the large building in the centre of the Campus, you can reach the Institute within 10 minutes on foot.
If you are travelling by train then check the timetables and fares on the website of the German federal railways (Deutsche Bahn) here.
For regional bus and train connections please check the website of the local network provider "naldo". The closest stops on Tübingens bus network are Sigwartstraße, Wilhelmstraße (Lothar Meyer-Bau), Mohlstraße (if you are travelling on the regional bus from Stuttgart) or Uni/Neue Aula.