and decisive battles. The fortified system of Lecco (Castrum Leuci) became the seat, with the Carolingian, of an important Committee entrusted to the Attonid family. In 960, Lecco was submitted to the lordship of the Archbishop of Milan.

Throughout the Middle Ages and the Modern Age, the name of Lecco did not indicate an inhabited center but included the whole area between the lake and Valsassina. Lecco was a polycentric settlement, in which the various districts were closely interdependent, each with functional and economic specialization.