 Castellazzo Bormida

Castellazzo Bormida (Ël Castlass in Piedmontese, and Castlass an Burmia or Castlas an Burmia locally) is a "comune" (municipality) in the Province of Alessandria in the Italian region Piedmont, located about southeast of Turin and about southwest of Alessandria.As of 31 July 2007, it had a population of 4,636 and an area of .