Nulvi is a comune, or municipality, located in the Metropolitan City of Sassari within the Italian region of Sardinia. Geographically, it is situated approximately 180 kilometres (110 mi) north of Cagliari and about 20 kilometres (12 mi) northeast of Sassari.
The town serves as one of the primary centers of the Anglona historical regione. It functions as a local administrative and community hub within its specific regional context in Sardinia.