Parma is in Emilia-Romagna.
From the train station it is an easy walk into the historic city center. The train ride from Bologna to Parma is about one hour and there is a shuttle service from the Bologna airport to the Bologna train station.
Virtually everything in the historic city center is within easy and leisurely walking distance. Sites across the river require a little more walking but still not too much. The terrain is flat and biking is very popular among the locals. Taxis are easily available at the train station. There are rental cars at the small airport just outside town. Parking can be a challenge downtown. There is an extensive local bus line.
The Wikipedia article on Parma gives a good list of the main sights: [].
The Museo Glauco Lombardi  is a particularly interesting and well done museum documenting the life of Maria Luigia, second wife of Napoleon Bonaparte and the Duchess of Parma. The museum is very personal and engaging with many artifacts and belongings of the gifted, talented and well educated Maria. Well worth the visit.
At the ice cream shop called K2 behind the cathedral on the right. The nuns make a gelato in the shape of a flower in seconds.
A typical restaurant to have dinner is the Trattoria I Corrieri in Via Conservatorio 1, which is situated near the law faculty of the university. Try some torta fritta, and prosciutto di Parma and all the other salami and coppa specialities from that region as a starter, followed by the typical tortelli. If you take Tris di Tortelli, you will enjoy that special type of pasta, one filled zucca (pumpkin), raddichio (red lettuce) and ricotta e spinaci (spinage& cheese).
Osteria del Gesso , Via Ferdinando Maestri, 11 - 43100 Parma, tel: +39 0521 230505, . Osteria del Gesso is a small, quaint restaurant down a narrow street in historic center city. The menu is based on the typical cuisine of the region. The food is well prepared and delicious, particularly the tortelli di erbetta and crespelle di grano. The staff did not speak English, but are helpful and provide excellent service.
La Forchetta borgo San Biagio 6, Parma 43100, tel: +39 0521 208812. Excellent ristorante just off the Piazza del Duomo serving typical regional cuisine. Superb tortelli di zucca and a very interesting and creative appetizer of gelato of Parmesan cheese with a fig preserve and balsamic vinegar.
An aperitivo in Via Farini is something you should not miss. There are several bars in that little street where you will find a lot of people standing outside with a Martini or a Sprizz con Aperol at around 6pm, enjoying the free buffet that is offered, when you buy a drink.