Your itinerary ought to feature a walk through Hellenic Open University. It's a well-known local institute with a vibrant campus.
When it comes to things to keep you busy in Patras, Hellenic Open University is a favorite with travelers. And in good news for your budget, entry is free. Psila Alonia Square, Achaia Clauss Winery and Georgiou I Square are also great to see and are within reach of the modern university.