Sostegno 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 Biella

Province of Biella

The Province of Biella is a province of Italy located in Piedmont. It was created in 1992 and its capital is the city of Biella.It has an area of 913 km², and a total population of 187,249...

 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 Piedmont

Piedmont

Piedmont is one of the 20 regions of Italy. It has an area of 25,402 square kilometres and a population of about 4.4 million. The capital of Piedmont is Turin. The main local language is Piedmontese. Occitan is also spoken by a minority in the Occitan Valleys situated in the Provinces of...

, located about 80 km northeast of Turin

Turin

Turin is a city and major business and cultural centre in northern Italy, capital of the Piedmont region, located mainly on the left bank of the Po River and surrounded by the Alpine arch. The population of the city proper is 909,193 while the population of the urban area is estimated by Eurostat...

 and about 20 km northeast of Biella

Biella

Biella is a town and comune in the northern Italian region of Piemonte, the capital of the province of the same name, with some 45,800 inhabitants as of 2009. It is located about 80 km northeast of Turin and about 80 km west-northwest of Milan.It lies in the foothills of the Alps,...

. As of 31 December 2004, it had a population of 764 and an area of 18.1 km².

The municipality of Sostegno 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) Casa del Bosco and Asei.

Sostegno borders the following municipalities: Crevacuore

Crevacuore

Crevacuore is a comune in the Province of Biella in the Italian region Piedmont, located about 80 km northeast of Turin and about 20 km northeast of Biella...

, Curino

Curino

Curino is a comune in the Province of Biella in the Italian region Piedmont, located about 70 km northeast of Turin and about 12 km northeast of Biella...

, Lozzolo

Lozzolo

Lozzolo is a comune in the Province of Vercelli in the Italian region Piedmont, located about 80 km northeast of Turin and about 35 km north of Vercelli...

, Roasio

Roasio

Roasio is a comune in the Province of Vercelli in the Italian region Piedmont, located about 80 km northeast of Turin and about 35 km northwest of Vercelli...

, Serravalle Sesia

Serravalle Sesia

Serravalle Sesia is a comune in the Province of Vercelli in the Italian region Piedmont, located about 80 km northeast of Turin and about 40 km north of Vercelli....

, Villa del Bosco

Villa del Bosco

Villa del Bosco is a comune in the Province of Biella in the Italian region Piedmont, located about 80 km northeast of Turin and about 20 km northeast of Biella. As of 31 December 2004, it had a population of 380 and an area of 3.7 km².Villa del Bosco borders the following...

.