In Dan Brown’s novel Inferno, the Grand Hotel Baglioni in Florence is mentioned near the last part of the story, precisely when professor Langdon, Sienna Brooks, and Dr. Ferris go to Venice.
“As they approached the train station, they passed the Grand Hotel Baglioni, which often hosted events for an art conference Langdon attended every year. Seeing it, Langdon realized he was about to do something he had never before done in his life. I’m leaving Florence without visiting the David.”
The Grand Hotel Baglioni symbolizes Florentine hospitality;