The fact you are on Survivingitaly.com would often mean you are not from Italy, so to help you find out all the relevant details based on your Citizenship, you can find the relevant details below. Your citizenship is important, it’s the country that protects you, issues your passport and the country you are technically protected by under International Law.
We have not listed EU details. under EU rules you have free movement and protection in all EU countries
South Africa http://www.dirco.gov.za/milan_italy/
United Kingom of Great Britain and Northern Ireland https://www.gov.uk/guidance/living-in-italy
United States of America https://it.usembassy.gov/u-s-citizen-services/local-resources-of-u-s-citizens/visiting-living/