Cernobbio is a comune located in the province of Como within the Lombardy region of northern Italy. It is situated approximately 40 kilometres north of Milan and about 2 kilometres northwest of Como, positioned near Lake Como on the border with Switzerland.
The municipality features diverse topography, including the Monte Bisbino, which serves as its highest peak at an elevation of 1,325 metres. The area is defined by its proximity to the lake and its location in the northern Italian landscape.