Claino con Osteno 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 Como

Province of Como

The Province of Como is a province in the north of the Lombardy region of Italy and borders the Swiss cantons of Ticino and Grigioni to the North, the Italian provinces of Sondrio and Lecco to the East, the Province of Milan to the south and the Province of Varese to the West...

 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 of Lombardy

Lombardy

Lombardy is one of the 20 regions of Italy. The capital is Milan. One-sixth of Italy's population lives in Lombardy and about one fifth of Italy's GDP is produced in this region, making it the most populous and richest region in the country and one of the richest in the whole of Europe...

, located about 60 kilometres (37 mi) north of Milan

Milan

Milan is the second-largest city in Italy and the capital city of the region of Lombardy and of the province of Milan. The city proper has a population of about 1.3 million, while its urban area, roughly coinciding with its administrative province and the bordering Province of Monza and Brianza ,...

 and about 20 kilometres (12 mi) north of Como

Como

Como is a city and comune in Lombardy, Italy.It is the administrative capital of the Province of Como....

. It is a small comune on Lake Lugano

Lake Lugano

Lake Lugano is a glacial lake in the south-east of Switzerland, at the border between Switzerland and Italy. The lake, named after the city of Lugano, is situated between Lake Como and Lago Maggiore...

, composed of a series of small frazioni (hamlets): the biggest ones (Claino and Osteno) have been chosen for the municipal name.

Claino con Osteno borders the following municipalities: Laino

Laino

Laino is a comune in the Province of Como in the Italian region Lombardy, located about north of Milan and about north of Como. As of 31 December 2004, it had a population of 514 and an area of 6.8 km²....

, Ponna

Ponna

Ponna is a comune in the Province of Como in the Italian region Lombardy, located about 60 km north of Milan and about 20 km north of Como. As of 31 December 2004, it had a population of 264 and an area of 6.0 km²....

, Porlezza

Porlezza

Porlezza is a comune on Lake Lugano in the Province of Como in the Italian region Lombardy, located about 60 km north of Milan and about 25 km north of Como...

, Ramponio Verna

Ramponio Verna

Ramponio Verna is a comune in the Province of Como in the Italian region Lombardy, located about 60 km north of Milan and about 20 km north of Como. As of 31 December 2004, it had a population of 420 and an area of 4.9 km²....

, Valsolda

Valsolda

Valsolda is a comune of c. 1,600 inhabitants in the Province of Como in the Italian region Lombardy, located about 60 km north of Milan and about 25 km north of Como, on the border with Switzerland....

.

Near Osteno there is a rare site with numerous late-Jurassic

Jurassic

The Jurassic is a geologic period and system that extends from about Mya to  Mya, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the Mesozoic era, also known as the age of reptiles. The start of the period is marked by...

 fossils characterized by integral fossilization, including the Squaloraja polyspondyla.