Sant' Omobono Imagna borders the following municipalities: Bedulita, Berbenno, Brembilla, Corna Imagna, Costa Valle Imagna, Roncola, Rota d'Imagna.
The location of Sant' Omobono Imagna is defined by its proximity to the following municipalities: Bedulita, Berbenno, Brembilla, Corna Imagna, Costa Valle Imagna, Roncola, and Rota d'Imagna.