​ALASSIO, a town of Liguria, Italy, on the N.W. coast of the Gulf of Genoa, in the province of Genoa, 57 m. S.W. of the town of the same name by rail. Pop. (1901) 5630. It is mainly noticeable as a health resort in winter and a bathing-place in summer, and has many hotels. The anchorage is safe, and the bay full of fish; the harbour has a certain-amount of trade. The old town contains one or two interesting churches, and commands a fine view.