The Legnanese (Legnanese: Legnanees), or Urban Conglomerate of Legnano, is an urban area that corresponds to the Alto Milanese. It includes Legnano, its namesake, and some of the comunes neighboring Legnano along the Olona river and State Road 33 for Sempione.
The region has a population of 184,000 and an area of 100 square kilometres (39 sq mi). The population density is very high, reaching 1850 inhabits per square kilometer.