Casella is a comune (municipality) in the Metropolitan City of Genoa in the Italian region of Liguria, about northeast of Genoa. As of 31 December 2004 it had a population of 3,131 and an area of .
The municipality of Cassella contains the frazioni (subdivisions, mainly villages and hamlets) of: Carpeneta, Cortino, Crocetta, Parata-Salvega, Stabbio, Stazione.
Casella borders the following municipalities: Montoggio, Savignone, Serra Riccò, Valbrevenna
Casella is the terminus of the GenovaâÂÂCasella railway.