Castellazzo Novarese is a comune, or municipality, situated in the Province of Novara within the Piedmont region of northern Italy. It is located approximately 80 kilometres (50 mi) northeast of Turin and about 12 kilometres (7 mi) northwest of the city of Novara.
The town serves as a local administrative center in the Piedmontese countryside, positioned in the geographical vicinity between the major urban hubs of Turin and Novara.