Panettoni is a traditional Italian sweet bread typically associated with the Christmas holiday season and is a popular dessert across the world. Panettoni is known by various other names in different parts of the world, including the Panettone in Italy, which is the most popular name. In South America, it is called Pan Dulce meaning sweet bread, while in France, it's known as Brioche de Noël. In Portugal, the bread is called Bolo Rei and in Greece, it is known as Christopsomo. The different names for Panettoni reflect the unique cultural identities of different regions while also highlighting the sweet and delicious bread's wide popularity.