Dego ( in Ligurian: O Dê ) is a municipality with 2020 inhabitants ( 31 December 2012) in the Italian region of Liguria. Politically it belongs to the province of Savona.


Dego is in the northern section of the Ligurian Apennines, at the confluence of the Rio Grillero with the Bormida di Spigno. The municipality belongs to the Comunità Montana Alta Val Bormida and is about 32 kilometers from the provincial capital Savona.

According to the Italian classification with respect to seismic activity, the community of zone 4 was assigned. This means that Dego is in a seismically inactive zone.


The municipality is classified under climate category E, as the number of degree days has a value of 2105. This means that in Italy legally regulated heating season is between October 15 and April 15, for 14 hours each day.


On 14 and 15 April 1796, French troops were in the battle of Dego under General Napoleon and the Austro- Sardinian- piemontische associations over.