What? You're very very wrong! Campidoglio is the Italian name of the hill, and none of the buildings up there is named the same way. What is commonly called Palazzo del Campidoglio (Campidoglio Palace) is actually named Palazzo Senatorio (Senatorial Palace). Anyway, yes, Campidoglio should be allowed as a type-in.
What does the yellow area on the map represent? I know very little about Roman geography, as evinced by my poor showing on this quiz (2 out of 7 correct)