The Janiculum is a hill located on the western bank of the Tiber River in Rome, Italy. It is one of the highest hills in the city and offers panoramic views of the surrounding area. The hill is not one of the original seven hills of Rome but has significant historical and cultural importance. Historically, the Janiculum was a strategic military site and played a role in various battles. Today, it is home to several important landmarks, including the Fontana dell'Acqua Paola and the Gianicolo Park, making it a popular destination for both locals and tourists seeking scenic views and historical sites.