Cassina Valsassina ( Valassinese ) is a town and ''
comune
A (; : , ) is an administrative division of Italy, roughly equivalent to a township or municipality. It is the third-level administrative division of Italy, after regions () and provinces (). The can also have the City status in Italy, titl ...
'' in the
province of Lecco
The province of Lecco (; Lecchese: ) is a Provinces of Italy, province in the Lombardy region of Italy. Its capital is the city of Lecco.
As of 2017, the province had a population of 337,211 on a surface of divided into 85 ''comuni'' (: ''com ...
, in
Lombardy
The Lombardy Region (; ) is an administrative regions of Italy, region of Italy that covers ; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population. Lombardy is ...