Bolognese is a specialty from Bologna which is why it’s not always in the menu in Rome restos. So to be sure you get your bolognese in Rome, go to Dal Bolognese 🙂  Everything else is good not only the Bolognese.  It is also in the heart of Piazza del Popolo or Plaza of the Pope
Grilled artichokes Tortellini Bolognese Spaghetti bolognese Cotoletti Milanese