Belli Castle is one of the main places where gameplay takes part. It it is spacious area with many different wings and floors. It is a property belonging to the Belli Family, namely Lorenzo, although Fiona is told she is the sole heir.
It is the place of residence and occupation for Debilitas and Daniella. Riccardo also inhabits the building. It is where Fiona is imprisoned after her kidnapping and it leads to a mansion, a water tower, and the House of Truth later on in the game.