There are some essential sites that you may need to viist, and contain lots of information from the Italian Government
Everything relating to Identity Cards
https://www.cartaidentita.interno.gov.it/en/home/
Everything related to Digital Identity SPID
Ministry of Economy and Finance Agenzia Delle Entrate – Everything to do with Taxes
https://www.agenziaentrate.gov.it/portale/web/english
INPS – The Italian Pension Service
The Italian Police Service – Including Border Guards, Road Patrols and General Police forces
https://www.poliziadistato.it/articolo/welcome
The Military Police – The Carabinieri
The National Fire and Rescue Service
https://www.vigilfuoco.it/aspx/Page.aspx?IdPage=5374
The official site for everything to do with travel, entering italy, visas and much more
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