Yes, Nutella contains hazelnuts, which are a type of tree nut.
Nutella is a popular hazelnut cocoa spread manufactured by Ferrero. The primary nut component of Nutella is the hazelnut. Hazelnuts are classified as tree nuts, belonging to the birch family and are derived from various species of shrubs and trees.
Because Nutella contains hazelnuts, it is indeed a product that includes a tree nut. This is important to note for individuals with tree nut allergies, as consuming Nutella could trigger an allergic reaction. Always check the ingredient list if you have allergies.