As a nation state, Italy has emerged only in 1871. Until then the country was politically divided into a large number of independant cities, provinces and islands. The currently available evidences point out to a dominant Etruscan, Greek and Roman cultural influence on today's Italians.
Grappa is made from the skins of the grapes after they squeeze the grapes to make wine they distill it and its almost 80-90 % alcohol You can buy grappa at your local liquor store..... my parent use to make it here every October which is wine season here in canada.
Just a 'tiny' example of the local grappa where I live in the Valtellina....
But a different grappa is (can be) made from each different type of grape, just as wine is. So a good cabernet grape for example will produce a distinctive wine but the 'vinacce' will also give you a good grappa too!
You can keep it in the freezer and serve in frosted shot glasses as you usually do with limoncello -makes them go down even sikier. Here in this area of Florida we have to special order grappa. We make our own limoncello with home grown ponderosa lemons, oranges -- and this year we also did strawberries-. When we can get walnuts with the skin still on, you can make that too,