Nice and big room in the heart of Frankfurt, next to Campus Westend of the Goethe University.
Supermarkets are in walking distance (5 minutes).
To the fair you need about 15-20 minutes by bus and train (bus station in front of the house) or you walk 20 minutes.
To the city Center it is 15 minutes by feet.
You will live together with 2 other persons, which aren't in the flat most of the time.