Osilo 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 Sassari

Province of Sassari

The Province of Sassari is a province in the autonomous island region of Sardinia in Italy. Its capital is the city of Sassari.-Geography:It has an area of 4,282 km², and a total population of 322,326 . There are 66 municipalities in the province, the largest of which are Sassari The...

 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 Sardinia

Sardinia

Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

, located about 170 km north of Cagliari

Cagliari

Cagliari is the capital of the island of Sardinia, a region of Italy. Cagliari's Sardinian name Casteddu literally means castle. It has about 156,000 inhabitants, or about 480,000 including the outlying townships : Elmas, Assemini, Capoterra, Selargius, Sestu, Monserrato, Quartucciu, Quartu...

 and about 10 km east of Sassari

Sassari

Sassari is an Italian city. It is the second-largest city of Sardinia in terms of population with about 130,000 inhabitants, or about 300,000 including the greater metropolitan area...

. It is part of the Anglona

Anglona

Anglona is a historical region of northern Sardinia, Italy. Its main center is Castelsardo.-Agriculture:Anglona is bounded by the sea northwards, from east by the Coghinas river, from south by Monte Sassu and from west by the Silis River and the Monte Pilosu....

 traditional region.
The municipality of Osilo 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) Santa Vittoria and San Lorenzo.

Osilo borders the following municipalities: Cargeghe

Cargeghe

Cargeghe is a comune in the Province of Sassari in the Italian region Sardinia, located about 170 km north of Cagliari and about 9 km southeast of Sassari....

, Codrongianos

Codrongianos

Codrongianos is a comune in the Province of Sassari in the Italian region Sardinia, located about 170 km north of Cagliari and about 13 km southeast of Sassari...

, Muros

Muros (SS)

Muros is a comune in the Province of Sassari in the Italian region Sardinia, located about 170 km north of Cagliari and about 8 km southeast of Sassari. As of 31 December 2004, it had a population of 760 and an area of 11.2 km².Muros borders the following municipalities: Cargeghe,...

, Nulvi

Nulvi

Nulvi is a comune in the Province of Sassari in the Italian region Sardinia, located about 180 km north of Cagliari and about 20 km northeast of Sassari. As of 31 December 2004, it had a population of 2,983 and an area of 67.7 km².Nulvi borders the following municipalities:...

, Ploaghe

Ploaghe

Ploaghe is a comune in the Province of Sassari in the Italian region Sardinia, located about 160 km north of Cagliari and about 20 km southeast of Sassari...

, Sassari

Sassari

Sassari is an Italian city. It is the second-largest city of Sardinia in terms of population with about 130,000 inhabitants, or about 300,000 including the greater metropolitan area...

, Sennori

Sennori

Sennori is a comune in the Province of Sassari in the Italian region Sardinia, located about 180 km north of Cagliari and about 7 km northeast of Sassari. As of 31 December 2004, it had a population of 7,298 and an area of 31.4 km².Sennori borders the following municipalities:...

, Tergu

Tergu

Tergu is a comune in the Province of Sassari in the Italian region Sardinia, located about 190 km north of Cagliari and about 20 km northeast of Sassari in the Anglona historical regiona....

.

Economy is mostly based on agriculture and animal husbandry, especially of sheep. It is the production center of the Osilo pecorino

Pecorino

Pecorino is the name of a family of hard Italian cheeses made from ewe's milk. The word derives from pecora meaning ‘sheep’, also from the Latin pecora meaning livestock....

cheese. Sights include a castle and several churches.