Die Nachbargemeinden sind Calamandrana, Castel Rocchero, Fontanile, Montabone, Nizza Monferrato und Rocchetta Palafea. ###>Castel Boglione borders the following municipalities: Calamandrana, Castel Rocchero, Fontanile, Montabone, Nizza Monferrato, and Rocchetta Palafea.