Frascati (fräskäˈtē) [key], town (1991 pop. 20,123), in Latium, central Italy. Beautifully situated in the Alban Hills near the site of ancient Tusculum, it has been a popular summer resort since Roman times. It is famous for its white wine and its patrician villas, including the Villa Aldobrandini (1598–1603) and the Villa Mondragone (16th cent.). The European Space Agency Center for Earth Observation is there.