Neither. Italy is the name of a country. Italian would be the nationality.
Italy
Italy.
Italy
Italian
Italy
Southern Italy
Italy
Somenones nationality is not defined by the country where he or she lives. If someone with a Belgian nationality migrates to Italy he will still be a Belgian. To change his nationality he will have to follow the procedure to change his nationality.
Italian because Venice is in Italy
Rome is the capital of Italy so the nationality is basically Italian, Hawaii is a state so the nationality is American and Java is part of Indonesia the nationality is Indonesian
The last name Germanotta originates from Italy, although i do not no which part of Italy it is from it is definitely for that country