Onzo is a comune

Comune

In Italy, the comune is the basic administrative division, and may be properly approximated in casual speech by the English word township or municipality.-Importance and function:...

(municipality) in the Province of Savona

Province of Savona

The Province of Savona is a province in the Liguria region of Italy. Its capital is the city of Savona.-Overview:...

 in the Italian

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

 region Liguria

Liguria

Liguria is a coastal region of north-western Italy, the third smallest of the Italian regions. Its capital is Genoa. It is a popular region with tourists for its beautiful beaches, picturesque little towns, and good food.-Geography:...

, located about 80 km southwest of Genoa

Genoa

Genoa |Ligurian]] Zena ; Latin and, archaically, English Genua) is a city and an important seaport in northern Italy, the capital of the Province of Genoa and of the region of Liguria....

 and about 45 km southwest of Savona

Savona

Savona is a seaport and comune in the northern Italian region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....

. As of 31 December 2004, it had a population of 217 and an area of 8.2 km².

The municipality of Onzo contains the frazioni

Frazione

A frazione , in Italy, is the name given in administrative law to a type of territorial subdivision of a comune; for other administrative divisions, see municipio, circoscrizione, quartiere...

(subdivisions, mainly villages and hamlets) Varavo Superiore, Varavo Inferiore, Ponterotto, Menezzo, Costa, and Capitolo.

Onzo borders the following municipalities: Aquila di Arroscia

Aquila di Arroscia

Aquila d'Arroscia is a comune in the Province of Imperia in the Italian region Liguria, located about 80 km southwest of Genoa and about 20 km north of Imperia. As of 31 December 2004, it had a population of 204 and an area of 10.1 km².Aquila d'Arroscia borders the following...

, Casanova Lerrone

Casanova Lerrone

Casanova Lerrone is a comune in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 45 km southwest of Savona...

, Castelbianco

Castelbianco

Castelbianco is a comune in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 40 km southwest of Savona...

, Nasino

Nasino

Nasino is a comune in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 40 km southwest of Savona...

, Ortovero

Ortovero

Ortovero is a comune in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 40 km southwest of Savona...

, Ranzo

Ranzo

Ranzo is a comune in the Province of Imperia in the Italian region Liguria, located about 80 km southwest of Genoa and about 20 km north of Imperia. As of 31 December 2004, it had a population of 546 and an area of 11.7 km²....

, and Vendone

Vendone

Vendone is a comune in the Province of Savona in the Italian region Liguria, located about 80 km southwest of Genoa and about 40 km southwest of Savona. As of 31 December 2004, it had a population of 410 and an area of 10.1 km²....

.